Chart Date Position Canada Top 20 2011-03-31   17 Top40-Charts.com Web Top 100 2011-04-07   40 USA Singles Top 40 2011-04-09   23 Airplay World Official Top 100 2011-04-14   56 World Singles Official Top 100 2011-04-14   60 Top40-Charts.com Web Top 100 2011-04-14   8 USA Singles Top 40 2011-04-16   13 World Singles Official Top 100 2011-04-21   39 Top40-Charts.com Web Top 100 2011-04-21   17 Airplay World Official Top 100 2011-04-21   35 USA Singles Top 40 2011-04-23   20 Top40-Charts.com Web Top 100 2011-04-28   25 World Singles Official Top 100 2011-04-28   54 Airplay World Official Top 100 2011-04-28   49 USA Singles Top 40 2011-04-30   24 Airplay World Official Top 100 2011-05-05   57 World Singles Official Top 100 2011-05-05   60 Top40-Charts.com Web Top 100 2011-05-05   28 USA Singles Top 40 2011-05-07   22 Top40-Charts.com Web Top 100 2011-05-12   28 World Singles Official Top 100 2011-05-12   58 Airplay World Official Top 100 2011-05-12   54 USA Singles Top 40 2011-05-14   25 Airplay World Official Top 100 2011-05-19   62 World Singles Official Top 100 2011-05-19   64 Top40-Charts.com Web Top 100 2011-05-19   19 USA Singles Top 40 2011-05-21   16 Brazil Top 20 2011-05-21   20 Top40-Charts.com Web Top 100 2011-05-26   24 World Singles Official Top 100 2011-05-26   40 Airplay World Official Top 100 2011-05-26   40 Brazil Top 20 2011-05-28   19 USA Singles Top 40 2011-05-28   21 Top40-Charts.com Web Top 100 2011-06-02   24 World Singles Official Top 100 2011-06-02   45 Airplay World Official Top 100 2011-06-02   52 Brazil Top 20 2011-06-04   12 USA Singles Top 40 2011-06-04   19 Airplay World Official Top 100 2011-06-09   46 World Singles Official Top 100 2011-06-09   42 Brazil Top 20 2011-06-11   16 Muchmusic Top 30 2011-06-23   30 2011-06-30   23 2011-07-07   16 Australia Top 20 2011-07-11   34 New Zealand Top 20 2011-07-11   30 Muchmusic Top 30 2011-07-14   9 Canada Top 20 2011-07-14   38 Australia Top 20 2011-07-18   29 New Zealand Top 20 2011-07-18   16 Muchmusic Top 30 2011-07-21   8 World Singles Official Top 100 2011-07-21   93 Australia Top 20 2011-07-25   26 New Zealand Top 20 2011-07-25   13 Austria Top 20 2011-07-27   40 Muchmusic Top 30 2011-07-28   8 World Singles Official Top 100 2011-07-28   84 Australia Top 20 2011-08-01   22 New Zealand Top 20 2011-08-01   15 World Singles Official Top 100 2011-08-04   82 Muchmusic Top 30 2011-08-04   7 New Zealand Top 20 2011-08-08   13 Australia Top 20 2011-08-08   23 World Singles Official Top 100 2011-08-11   85 Muchmusic Top 30 2011-08-11   7 Australia Top 20 2011-08-15   24 New Zealand Top 20 2011-08-15   11 Austria Top 20 2011-08-16   36 World Singles Official Top 100 2011-08-18   91 Muchmusic Top 30 2011-08-18   22 New Zealand Top 20 2011-08-22   12 Australia Top 20 2011-08-22   28 2011-08-29   32 New Zealand Top 20 2011-08-29   12 Austria Top 20 2011-08-30   20 German Top 40 2011-09-03   28 New Zealand Top 20 2011-09-05   17 Australia Top 20 2011-09-05   34 Airplay World Official Top 100 2011-09-08   93 World Singles Official Top 100 2011-09-08   80 German Top 40 2011-09-10   34 New Zealand Top 20 2011-09-12   21 Austria Top 20 2011-09-14   38 German Top 40 2011-09-17   40 New Zealand Top 20 2011-09-19   24 2011-09-26   33

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