Chart Date Position Australia Top 20 2007-12-01   36 2007-12-08   33 2007-12-15   34 2007-12-22   38 2007-12-29   34 2008-01-05   31 2008-01-12   21 2008-01-19   24 2008-01-26   25 2008-02-02   27 2008-02-09   31 2008-02-16   29 2008-02-23   27 2008-03-01   38 2008-03-08   40 Canada Top 20 2007-11-02   28 2007-11-09   27 2007-11-16   26 2007-11-23   26 2007-11-30   23 2007-12-07   25 2007-12-14   31 2007-12-21   31 2007-12-28   33 2008-01-04   25 2008-01-11   33 2008-01-18   39 Finland Top 20 2007-11-25   20 New Zealand Top 20 2007-10-24   27 2007-10-31   19 2007-11-07   11 2007-11-14   14 2007-11-21   14 2007-11-28   12 2007-12-05   11 2007-12-12   22 2007-12-19   22 2007-12-26   27 2008-01-02   26 2008-01-09   19 2008-01-16   16 2008-01-23   31 2008-01-30   34 Muchmusic Top 30 2007-09-22   25 2007-09-29   21 2007-10-06   20 2007-10-13   16 2007-10-20   14 2007-10-27   9 2007-11-03   6 2007-11-10   4 2007-11-17   2 2007-11-24   1 2007-12-01   9 2007-12-08   14 2007-12-15   22 UK Singles Top 40 2007-10-07   35 2007-10-14   40 2007-10-21   38 2007-10-28   38 2007-11-11   18 2007-11-18   27 2007-11-25   31 2007-12-02   35 2007-12-09   31 USA Singles Top 40 2007-09-29   11 2007-10-06   11 2007-10-13   11 2007-10-20   13 2007-10-27   10 2007-11-03   7 2007-11-10   6 2007-11-17   9 2007-11-24   8 2007-12-01   8 2007-12-08   10 2007-12-15   11 2007-12-22   17 2007-12-29   17 2008-01-05   12 2008-01-12   16 2008-01-19   12 2008-01-26   19 2008-02-02   19 2008-02-09   20 2008-02-16   24 2008-02-23   17 2008-03-01   14 World RnB Top 30 Singles 2008-01-05   7 2008-01-12   10 2008-01-19   9 2008-01-26   9 2008-02-02   10 2008-02-09   17 2008-02-16   20 2008-02-23   19 2008-03-01   20 2008-03-08   20 2008-03-15   27 2008-03-22   29 World Singles Official Top 100 2008-01-19   18 2008-01-26   21 2008-02-02   37 2008-02-09   41 2008-02-16   51 Airplay World Official Top 100 2008-01-19   23 2008-01-26   26 2008-02-02   33 2008-02-09   33 2008-02-16   40

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