| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 22.83 | 26.67 | 19.44 |
| 2008 | 21.43 | 15.91 | 20.00 |
| 2009 | 23.61 | 16.78 | 19.28 |
| 2010 | 12.21 | 12.96 | 15.38 |
| 2011 | 20.13 | 17.65 | 18.87 |
| 2012 | 19.89 | 26.42 | 17.39 |
| 2013 | 23.81 | 25.71 | 28.57 |
| 2014 | 30.21 | 32.22 | 41.86 |
| 2015 | 32.42 | 23.21 | 21.43 |
| 2016 | 21.43 | 100.00 | 50.00 |