| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 89.13 | 78.59 | 82.21 |
| 2008 | 90.47 | 77.63 | 81.16 |
| 2009 | 89.44 | 76.28 | 80.55 |
| 2010 | 90.57 | 75.98 | 79.01 |
| 2011 | 89.70 | 77.17 | 79.49 |
| 2012 | 88.26 | 77.43 | 79.73 |
| 2013 | 86.95 | 75.88 | 78.48 |
| 2014 | 86.87 | 73.32 | 78.08 |
| 2015 | 83.95 | 70.97 | 75.58 |
| 2016 | 83.31 | 72.33 | 74.92 |