Current ranking
17
4.742 points
Apr 28th, 2013
Peak ranking
4
6.534 points
Apr 8th, 2012
Weeks in top ten
Total Weeks: 42
May 1st, 2011 - May 1st, 2011
Apr 8th, 2012 - Oct 28th, 2012
Dec 9th, 2012 - Feb 17th, 2013
World ranking over time
Year end world ranking
| Year | Ranking | Points |
|---|---|---|
| 2006 | 168 | 1 |
| 2007 | 107 | 1.424 |
| 2008 | 125 | 1.265 |
| 2009 | 97 | 1.462 |
| 2010 | 32 | 3.346 |
| 2011 | 21 | 3.686 |
| 2012 | 8 | 5.295 |