Chart Date Position Ireland Top 20 2011-07-14   1 UK Singles Top 40 2011-07-17   1 Ireland Top 20 2011-07-21   1 UK Singles Top 40 2011-07-24   1 Ireland Top 20 2011-07-28   1 2011-08-04   1 2011-08-11   1 Canada Top 20 2012-03-01   1 Muchmusic Top 30 2012-04-20   1 UK Singles Top 40 2011-07-31   2 Ireland Top 20 2011-08-18   2 Canada Top 20 2012-03-08   2 2012-03-15   2 Muchmusic Top 30 2012-04-13   2 UK Singles Top 40 2011-08-07   3 USA Singles Top 40 2012-03-31   3 Muchmusic Top 30 2012-04-06   3 USA Singles Top 40 2012-04-07   3 Canada Top 20 2012-04-19   3 USA Singles Top 40 2012-04-21   3 2012-04-28   3 Ireland Top 20 2011-08-25   4 2011-09-01   4 USA Singles Top 40 2012-03-17   4 Canada Top 20 2012-03-22   4 USA Singles Top 40 2012-03-24   4 Canada Top 20 2012-03-29   4 Muchmusic Top 30 2012-03-30   4 Canada Top 20 2012-04-12   4 USA Singles Top 40 2012-04-14   4 2012-05-12   4 2012-03-10   5 Muchmusic Top 30 2012-03-23   5 Top40-Charts.com Web Top 100 2012-04-25   5 USA Singles Top 40 2012-05-05   5 Top40-Charts.com Web Top 100 2011-07-28   6 UK Singles Top 40 2011-08-14   6 Ireland Top 20 2011-09-15   6 Top40-Charts.com Web Top 100 2012-03-14   6 Muchmusic Top 30 2012-03-16   6 Canada Top 20 2012-04-05   6 2012-04-26   6 2012-05-03   6 Top40-Charts.com Web Top 100 2011-08-04   7 Muchmusic Top 30 2012-03-09   7 Top40-Charts.com Web Top 100 2012-03-21   7 2012-03-28   7 2012-04-04   7 Ireland Top 20 2011-09-08   8 Muchmusic Top 30 2012-04-27   8 USA Singles Top 40 2012-06-02   8 Ireland Top 20 2011-09-22   9 Top40-Charts.com Web Top 100 2012-04-11   9 2012-04-18   9 2012-05-02   9 2012-05-09   9 USA Singles Top 40 2012-05-19   9 Chile Top 20 2012-05-05   10 Canada Top 20 2012-05-10   10 Chile Top 20 2012-05-19   10 2012-05-26   10 USA Singles Top 40 2012-05-26   10 Chile Top 20 2012-06-02   10 2012-06-09   10 USA Singles Top 40 2012-06-16   10 Top40-Charts.com Web Top 100 2012-03-07   11 Chile Top 20 2012-05-12   11 Top40-Charts.com Web Top 100 2012-05-16   11 Canada Top 20 2012-05-17   11 Chile Top 20 2012-06-16   11 Canada Top 20 2012-08-02   11 Netherlands Top 20 2011-10-08   12 USA Singles Top 40 2012-06-23   12 Chile Top 20 2012-06-23   12 Top40-Charts.com Web Top 100 2011-08-11   13 New Zealand Top 20 2011-12-03   13 Muchmusic Top 30 2012-05-04   13 UK Singles Top 40 2011-08-21   14 Netherlands Top 20 2011-10-01   14 Chile Top 20 2012-04-28   14 USA Singles Top 40 2012-06-09   14 2012-06-30   14 2012-07-07   14 Netherlands Top 20 2011-10-15   15 2011-10-22   15 New Zealand Top 20 2012-01-23   15 Top40-Charts.com Web Top 100 2011-07-21   16 Netherlands Top 20 2011-10-29   16 Muchmusic Top 30 2012-03-02   16 Chile Top 20 2012-04-14   16 2012-04-21   16 World Singles Official Top 100 2012-05-02   16 UK Singles Top 40 2011-10-02   17 New Zealand Top 20 2011-12-10   17 2011-12-17   17 World Singles Official Top 100 2012-03-21   17 2012-04-18   17 Canada Top 20 2012-05-24   17 2012-08-23   17 UK Singles Top 40 2011-09-11   18 Airplay World Official Top 100 2012-03-14   18 Chile Top 20 2012-03-24   18 2012-03-31   18 Airplay World Official Top 100 2012-04-18   18 World Singles Official Top 100 2012-04-25   18 Chile Top 20 2012-06-30   18 UK Singles Top 40 2011-09-04   19 2011-09-18   19 Netherlands Top 20 2011-11-05   19 Airplay World Official Top 100 2012-03-21   19 World Singles Official Top 100 2012-04-11   19 Airplay World Official Top 100 2012-04-25   19 2012-05-02   19 Top40-Charts.com Web Top 100 2012-05-23   19 Greece Top 20 2011-09-18   20 Netherlands Top 20 2011-09-24   20 Australia Top 20 2011-09-26   20 Ireland Top 20 2011-09-29   20 Greece Top 20 2011-10-02   20 Netherlands Top 20 2011-11-11   20 New Zealand Top 20 2011-11-26   20 World Singles Official Top 100 2012-03-14   20 Airplay World Official Top 100 2012-03-28   20 2012-04-04   20 Chile Top 20 2012-04-07   20 Airplay World Official Top 100 2012-04-11   20 Canada Top 20 2012-06-07   20 USA Singles Top 40 2012-07-14   20 Netherlands Top 20 2011-11-18   21 2011-11-25   21 World Singles Official Top 100 2012-03-28   21 2012-04-04   21 2012-05-09   21 Airplay World Official Top 100 2012-05-16   21 Canada Top 20 2012-05-31   21 UK Singles Top 40 2011-09-25   22 Europe Official Top 100 2011-10-06   22 New Zealand Top 20 2011-11-12   22 Airplay World Official Top 100 2012-05-09   22 World Singles Official Top 100 2012-05-16   22 2012-06-06   22 Canada Top 20 2012-06-14   22 2012-08-16   22 New Zealand Top 20 2011-11-19   23 2012-01-30   23 Airplay World Official Top 100 2012-06-06   23 Canada Top 20 2012-06-21   23 Australia Top 20 2011-10-03   24 UK Singles Top 40 2011-10-09   24 New Zealand Top 20 2012-01-09   24 Canada Top 20 2012-02-23   24 Muchmusic Top 30 2012-02-24   24 2012-05-11   24 World Singles Official Top 100 2012-05-23   24 Top40-Charts.com Web Top 100 2012-05-30   24 World Singles Official Top 100 2012-05-30   24 Airplay World Official Top 100 2011-07-21   25 New Zealand Top 20 2012-01-16   25 Muchmusic Top 30 2012-02-10   25 2012-02-17   25 Airplay World Official Top 100 2012-05-23   25 UK Singles Top 40 2011-08-28   26 Canada Top 20 2012-06-28   26 World Singles Official Top 100 2011-07-21   27 2011-07-28   27 Airplay World Official Top 100 2011-07-28   27 Netherlands Top 20 2011-12-02   27 Muchmusic Top 30 2012-02-03   27 New Zealand Top 20 2012-02-06   27 Airplay World Official Top 100 2012-05-30   27 World Singles Official Top 100 2012-06-20   27 Canada Top 20 2012-08-09   27 Europe Official Top 100 2011-07-21   28 Netherlands Top 20 2011-09-17   28 Australia Top 20 2011-10-17   28 New Zealand Top 20 2012-01-02   28 2012-02-13   28 USA Singles Top 40 2012-07-21   28 2012-07-28   28 Europe Official Top 100 2011-07-28   29 2011-08-11   29 World Singles Official Top 100 2011-10-06   29 Airplay World Official Top 100 2012-06-20   29 World Singles Official Top 100 2011-08-04   30 Airplay World Official Top 100 2011-08-04   30 World Singles Official Top 100 2011-08-11   30 2011-09-29   30 Australia Top 20 2011-10-10   30 France Top 20 2012-03-04   30 World Singles Official Top 100 2012-06-13   30 Canada Top 20 2012-09-06   30 Europe Official Top 100 2011-08-04   31 UK Singles Top 40 2011-10-16   31 New Zealand Top 20 2011-12-24   31 Canada Top 20 2012-02-16   31 Airplay World Official Top 100 2012-06-27   31 France Top 20 2012-02-26   32 Top40-Charts.com Web Top 100 2012-06-06   32 World Singles Official Top 100 2012-06-27   32 USA Singles Top 40 2012-08-11   32 Canada Top 20 2012-09-13   32 Airplay World Official Top 100 2011-08-11   33 Europe Official Top 100 2011-09-22   33 Airplay World Official Top 100 2012-06-13   33 Canada Top 20 2012-07-05   33 World Singles Official Top 100 2011-08-18   34 Europe Official Top 100 2011-09-29   34 New Zealand Top 20 2012-04-16   34 World Singles Official Top 100 2012-07-04   34 Europe Official Top 100 2011-09-15   35 Australia Top 20 2011-10-24   35 New Zealand Top 20 2012-04-09   35 Airplay World Official Top 100 2012-07-04   35 Top40-Charts.com Web Top 100 2011-08-18   36 Australia Top 20 2011-09-19   36 World Singles Official Top 100 2012-07-12   36 USA Singles Top 40 2012-08-18   36 2012-08-25   36 Europe Official Top 100 2011-08-18   37 Netherlands Top 20 2011-12-09   37 France Top 20 2012-03-11   37 Top40-Charts.com Web Top 100 2012-06-13   37 Airplay World Official Top 100 2012-07-12   37 2011-08-18   38 USA Singles Top 40 2012-08-04   38 Canada Top 20 2012-08-30   38 2012-09-20   38 Europe Official Top 100 2011-08-25   39 USA Singles Top 40 2012-02-11   39 France Top 20 2012-03-25   39 Canada Top 20 2012-07-12   39 Netherlands Top 20 2011-12-16   40 New Zealand Top 20 2012-03-12   40 USA Singles Top 40 2012-09-01   40 2012-09-08   40 Airplay World Official Top 100 2011-10-06   41 Europe Official Top 100 2011-09-08   43 Top40-Charts.com Web Top 100 2012-07-12   43 World Singles Official Top 100 2011-09-22   44 2011-10-20   44 2011-08-25   45 2011-10-13   45 2012-07-19   45 Airplay World Official Top 100 2011-08-25   47 Europe Official Top 100 2011-09-01   47 Top40-Charts.com Web Top 100 2012-07-04   47 Airplay World Official Top 100 2012-07-19   47 Top40-Charts.com Web Top 100 2012-06-20   51 Europe Official Top 100 2011-10-13   52 Airplay World Official Top 100 2011-09-22   54 World Singles Official Top 100 2011-09-15   57 Airplay World Official Top 100 2011-09-29   57 World Singles Official Top 100 2012-08-02   57 2011-09-08   60 Top40-Charts.com Web Top 100 2012-06-27   61 Airplay World Official Top 100 2011-09-15   64 Top40-Charts.com Web Top 100 2012-07-19   65 Airplay World Official Top 100 2011-09-08   68 2011-10-20   68 Top40-Charts.com Web Top 100 2011-08-25   70 Airplay World Official Top 100 2012-07-26   72 2012-08-02   72 World Singles Official Top 100 2011-09-01   73 Top40-Charts.com Web Top 100 2011-10-06   74 2011-09-01   75 2012-07-26   75 2012-09-06   76 2011-10-13   78 2011-09-29   80 World Singles Official Top 100 2012-07-26   80 2012-08-16   80 Top40-Charts.com Web Top 100 2012-08-02   81 2012-08-16   83 World Singles Official Top 100 2012-03-07   87 Airplay World Official Top 100 2011-10-13   88 Top40-Charts.com Web Top 100 2012-08-09   88 2011-09-08   89 2012-08-30   89 2011-10-20   95 2011-09-22   96 2012-02-08   96 Airplay World Official Top 100 2012-08-16   96 World Singles Official Top 100 2012-08-23   96 Airplay World Official Top 100 2011-09-01   98

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