| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 27.43 | 20.00 | 24.14 |
| 2008 | 25.12 | 14.07 | 22.22 |
| 2009 | 21.52 | 17.12 | 4.17 |
| 2010 | 21.34 | 18.04 | 19.15 |
| 2011 | 26.39 | 20.80 | 25.93 |
| 2012 | 17.77 | 19.29 | 14.06 |
| 2013 | 23.45 | 16.55 | 33.33 |
| 2014 | 30.28 | 30.94 | 33.33 |
| 2015 | 26.32 | 26.67 | 16.67 |
| 2016 | 28.57 | 22.08 | 0.00 |
| 2017 | 23.17 | 18.84 | 0.00 |
| 2018 | 28.80 | 30.77 | 15.00 |
| 2019 | 27.27 | 18.92 | 66.67 |