| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 34.38 | 33.33 | 16.67 |
| 2008 | 29.58 | 23.15 | 33.33 |
| 2009 | 23.81 | 25.40 | 27.14 |
| 2010 | 28.23 | 40.82 | 28.99 |
| 2011 | 28.06 | 28.46 | 30.26 |
| 2012 | 36.27 | 31.11 | 29.03 |
| 2013 | 29.63 | 27.59 | 25.00 |
| 2014 | 26.92 | 29.41 | 24.39 |
| 2015 | 27.47 | 23.19 | 12.82 |
| 2016 | 25.52 | 18.26 | 22.22 |
| 2017 | 22.77 | 26.37 | 23.91 |
| 2018 | 16.67 | 12.82 | 6.67 |
| 2019 | 25.32 | 23.42 | 12.82 |