| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 38.71 | 18.75 | 10.53 |
| 2008 | 21.82 | 13.98 | 19.35 |
| 2009 | 19.52 | 15.93 | 13.24 |
| 2010 | 19.05 | 16.39 | 18.06 |
| 2011 | 20.40 | 25.89 | 12.84 |
| 2012 | 27.78 | 22.09 | 13.46 |
| 2013 | 25.86 | 16.13 | 15.05 |
| 2014 | 22.36 | 23.08 | 20.35 |
| 2015 | 26.33 | 21.77 | 29.49 |
| 2016 | 32.20 | 27.55 | 28.57 |