| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 16.67 | 0.00 | 20.00 |
| 2008 | 19.02 | 15.25 | 20.00 |
| 2009 | 21.09 | 15.56 | 20.00 |
| 2010 | 22.48 | 16.07 | 15.00 |
| 2011 | 15.31 | 7.14 | 0.00 |
| 2012 | 24.17 | 22.03 | 24.00 |
| 2013 | 23.06 | 9.09 | 21.88 |
| 2014 | 22.27 | 25.55 | 31.03 |
| 2015 | 27.60 | 20.55 | 28.57 |
| 2016 | 23.84 | 20.97 | 16.67 |
| 2017 | 33.20 | 21.13 | 10.00 |