| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 17.45 | 37.93 | 50.00 |
| 2009 | 11.48 | 36.11 | 46.15 |
| 2010 | 14.23 | 50.00 | 30.00 |
| 2011 | 15.91 | 51.89 | 18.18 |
| 2012 | 13.07 | 46.55 | 33.33 |
| 2013 | 14.38 | 40.74 | 36.00 |
| 2014 | 13.48 | 41.57 | 38.46 |
| 2015 | 19.71 | 45.45 | 15.38 |
| 2016 | 31.51 | 35.53 | 16.67 |
| 2017 | 24.41 | 38.98 | 40.00 |