| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 28.57 | 0.00 | 100.00 |
| 2008 | 36.52 | 26.67 | 35.00 |
| 2009 | 30.56 | 17.74 | 24.56 |
| 2010 | 35.71 | 0.00 | 0.00 |
| 2011 | 0.00 | 0.00 | 100.00 |
| 2012 | 42.31 | 39.58 | 32.43 |
| 2013 | 36.93 | 33.78 | 30.00 |
| 2014 | 36.32 | 28.99 | 36.59 |
| 2015 | 36.27 | 24.59 | 17.78 |
| 2016 | 34.29 | 28.57 | 32.56 |
| 2017 | 36.26 | 30.61 | 29.41 |