Chart Date Position USA Singles Top 40 2011-02-19   1 Top40-Charts.com Web Top 100 2011-02-24   1 2011-02-03   2 Muchmusic Top 30 2011-02-03   2 Finland Top 20 2011-02-10   2 Top40-Charts.com Web Top 100 2011-02-10   2 Greece Top 20 2011-04-17   2 Top40-Charts.com Web Top 100 2011-01-27   3 Finland Top 20 2011-02-03   3 USA Singles Top 40 2011-02-05   3 Finland Top 20 2011-01-20   4 Top40-Charts.com Web Top 100 2011-01-20   4 Muchmusic Top 30 2011-01-27   4 Canada Top 20 2011-02-10   4 USA Singles Top 40 2011-02-12   4 Finland Top 20 2011-02-17   4 2011-02-24   4 USA Singles Top 40 2011-02-26   4 Finland Top 20 2011-01-27   5 USA Singles Top 40 2011-01-29   5 Top40-Charts.com Web Top 100 2011-02-17   5 UK Singles Top 40 2011-03-13   5 Muchmusic Top 30 2011-01-20   6 Canada Top 20 2011-01-27   6 2011-02-03   6 2011-02-17   6 UK Singles Top 40 2011-03-27   6 Greece Top 20 2011-04-24   6 2011-05-01   6 Finland Top 20 2011-01-13   7 Top40-Charts.com Web Top 100 2011-01-06   8 Finland Top 20 2011-01-06   8 Top40-Charts.com Web Top 100 2011-01-13   8 Canada Top 20 2011-01-20   8 USA Singles Top 40 2011-01-22   8 UK Singles Top 40 2011-03-20   8 Greece Top 20 2011-04-03   8 USA Singles Top 40 2011-01-08   9 Muchmusic Top 30 2011-01-13   9 USA Singles Top 40 2011-03-05   9 UK Singles Top 40 2011-04-03   9 Greece Top 20 2011-04-10   9 2010-12-19   10 2011-03-13   10 2011-03-27   10 USA Singles Top 40 2010-12-18   11 2010-12-25   11 Top40-Charts.com Web Top 100 2010-12-30   11 Canada Top 20 2011-01-13   11 Finland Top 20 2011-03-03   11 Greece Top 20 2011-03-20   11 2010-12-26   12 USA Singles Top 40 2011-01-15   12 Denmark Top 20 2011-02-18   12 Finland Top 20 2011-03-10   12 Greece Top 20 2011-05-08   12 2011-05-15   12 2010-12-12   13 USA Singles Top 40 2011-01-01   13 Greece Top 20 2011-01-09   13 2011-01-23   13 Canada Top 20 2011-02-24   13 Top40-Charts.com Web Top 100 2011-03-03   13 USA Singles Top 40 2011-03-12   13 Greece Top 20 2011-01-02   14 Muchmusic Top 30 2011-02-10   14 Greece Top 20 2011-02-13   14 2011-03-06   14 Ireland Top 20 2011-03-24   14 Finland Top 20 2011-03-24   14 2011-03-31   14 Ireland Top 20 2011-03-31   14 UK Singles Top 40 2011-04-10   14 Ireland Top 20 2011-04-14   14 Greece Top 20 2011-01-30   15 2011-02-20   15 2011-02-27   15 Airplay World Official Top 100 2011-03-17   15 Finland Top 20 2011-03-17   15 Ireland Top 20 2011-04-07   15 Muchmusic Top 30 2011-01-06   16 Greece Top 20 2011-02-06   16 Canada Top 20 2011-03-03   16 World Singles Official Top 100 2011-03-17   16 Europe Official Top 100 2011-03-31   16 Greece Top 20 2011-01-16   17 2011-05-22   17 Canada Top 20 2010-12-30   18 Denmark Top 20 2011-02-11   18 2011-02-25   18 Europe Official Top 100 2011-04-07   18 Airplay World Official Top 100 2011-04-07   18 Top40-Charts.com Web Top 100 2011-03-10   19 Airplay World Official Top 100 2011-03-24   19 UK Singles Top 40 2011-04-17   19 Ireland Top 20 2011-04-21   19 USA Singles Top 40 2011-05-28   19 Greece Top 20 2011-05-29   19 2011-06-19   19 Top40-Charts.com Web Top 100 2010-12-23   20 Ireland Top 20 2011-03-17   20 USA Singles Top 40 2011-03-19   20 World Singles Official Top 100 2011-03-24   20 Europe Official Top 100 2011-03-24   20 Airplay World Official Top 100 2011-03-31   20 World Singles Official Top 100 2011-04-07   20 Greece Top 20 2011-06-12   20 Canada Top 20 2010-12-22   21 2011-01-06   21 2011-03-10   21 New Zealand Top 20 2011-03-28   21 USA Singles Top 40 2011-05-21   21 World Singles Official Top 100 2011-03-31   22 USA Singles Top 40 2011-04-02   22 New Zealand Top 20 2011-04-04   22 World Singles Official Top 100 2011-04-14   22 2011-01-13   23 Canada Top 20 2011-03-17   23 USA Singles Top 40 2011-03-26   23 Europe Official Top 100 2011-04-14   23 2011-04-21   23 Airplay World Official Top 100 2011-04-21   23 World Singles Official Top 100 2011-04-21   23 Top40-Charts.com Web Top 100 2010-11-18   24 World Singles Official Top 100 2010-12-30   24 2011-02-03   24 2011-02-10   24 Airplay World Official Top 100 2011-02-17   24 World Singles Official Top 100 2011-03-03   24 Europe Official Top 100 2011-03-17   24 New Zealand Top 20 2011-04-11   24 Airplay World Official Top 100 2011-04-14   24 Australia Top 20 2011-04-18   24 2011-05-02   24 Airplay World Official Top 100 2010-12-23   25 World Singles Official Top 100 2011-01-20   25 2011-01-27   25 Airplay World Official Top 100 2011-01-27   25 2011-02-03   25 World Singles Official Top 100 2011-02-17   25 2011-02-24   25 Airplay World Official Top 100 2011-03-03   25 Top40-Charts.com Web Top 100 2011-03-24   25 USA Singles Top 40 2010-11-20   26 Canada Top 20 2010-12-15   26 World Singles Official Top 100 2010-12-23   26 Airplay World Official Top 100 2010-12-30   26 World Singles Official Top 100 2011-01-06   26 Airplay World Official Top 100 2011-01-13   26 2011-01-20   26 2011-02-10   26 2011-02-24   26 Australia Top 20 2011-04-25   26 Top40-Charts.com Web Top 100 2010-11-25   27 Airplay World Official Top 100 2011-01-06   27 Europe Official Top 100 2011-02-24   27 USA Singles Top 40 2011-04-09   27 2011-06-04   27 World Singles Official Top 100 2011-03-10   28 New Zealand Top 20 2011-03-14   28 Sweden Top 20 2011-04-29   28 USA Singles Top 40 2011-05-07   28 Australia Top 20 2011-05-09   28 Europe Official Top 100 2011-02-17   29 2011-03-03   29 Airplay World Official Top 100 2011-03-10   29 New Zealand Top 20 2011-03-21   29 Australia Top 20 2011-04-11   29 Europe Official Top 100 2011-04-28   29 USA Singles Top 40 2011-05-14   29 Australia Top 20 2011-05-16   29 Muchmusic Top 30 2011-02-17   30 New Zealand Top 20 2011-02-28   30 Top40-Charts.com Web Top 100 2011-03-17   30 Canada Top 20 2011-03-31   30 Top40-Charts.com Web Top 100 2011-03-31   30 USA Singles Top 40 2011-04-16   30 2011-04-30   30 Australia Top 20 2011-05-23   30 World Singles Official Top 100 2011-05-26   30 Canada Top 20 2011-03-24   31 New Zealand Top 20 2011-04-18   31 USA Singles Top 40 2011-04-23   31 German Top 40 2011-05-21   31 USA Singles Top 40 2010-11-27   32 New Zealand Top 20 2011-03-07   32 Top40-Charts.com Web Top 100 2011-04-07   33 UK Singles Top 40 2011-04-24   33 New Zealand Top 20 2011-05-02   33 USA Singles Top 40 2010-12-04   34 2010-12-11   35 Top40-Charts.com Web Top 100 2011-04-14   35 Canada Top 20 2011-04-14   35 Sweden Top 20 2011-04-15   35 Top40-Charts.com Web Top 100 2011-04-21   35 Australia Top 20 2011-05-30   35 German Top 40 2011-06-04   35 Canada Top 20 2011-09-29   35 Sweden Top 20 2011-04-22   36 Australia Top 20 2011-06-06   36 New Zealand Top 20 2011-04-25   37 Europe Official Top 100 2011-05-05   37 Top40-Charts.com Web Top 100 2010-12-09   38 2010-12-16   38 Australia Top 20 2011-04-04   38 Canada Top 20 2011-04-07   38 2011-04-21   38 UK Singles Top 40 2011-05-01   38 German Top 40 2011-05-28   38 Airplay World Official Top 100 2011-06-02   38 Sweden Top 20 2011-05-06   39 World Singles Official Top 100 2011-06-02   39 Europe Official Top 100 2011-01-13   40 2011-02-03   40 2011-03-10   40 Sweden Top 20 2011-04-08   40 World Singles Official Top 100 2011-04-28   40 UK Singles Top 40 2011-05-08   40 New Zealand Top 20 2011-05-09   40 Sweden Top 20 2011-05-13   40 Top40-Charts.com Web Top 100 2011-04-28   41 2011-05-26   41 2010-12-02   42 Europe Official Top 100 2011-01-27   42 2011-02-10   42 World Singles Official Top 100 2011-05-05   43 Top40-Charts.com Web Top 100 2011-05-12   43 2011-05-19   43 Airplay World Official Top 100 2011-04-28   45 Top40-Charts.com Web Top 100 2011-06-02   45 Europe Official Top 100 2011-01-20   46 Top40-Charts.com Web Top 100 2011-05-05   46 Canada Top 20 2012-01-05   48 World Singles Official Top 100 2011-06-09   51 2011-05-12   52 Airplay World Official Top 100 2011-05-05   54 World Singles Official Top 100 2011-05-19   55 Airplay World Official Top 100 2011-05-26   55 Canada Top 20 2011-12-28   55 Airplay World Official Top 100 2011-06-09   57 2010-11-25   65 World Singles Official Top 100 2010-11-25   73 Top40-Charts.com Web Top 100 2010-11-11   76 Europe Official Top 100 2011-05-26   78 2011-05-12   89 World Singles Official Top 100 2010-12-16   90 Europe Official Top 100 2011-05-19   95 Airplay World Official Top 100 2010-12-02   100

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