| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 15.22 | 23.08 | 0.00 |
| 2008 | 14.29 | 3.33 | 0.00 |
| 2009 | 19.05 | 25.00 | 50.00 |
| 2010 | 14.14 | 21.28 | 0.00 |
| 2011 | 12.50 | 30.23 | 0.00 |
| 2012 | 14.29 | 14.29 | 0.00 |
| 2013 | 20.63 | 26.47 | 20.00 |
| 2014 | 40.00 | 0.00 | 0.00 |
| 2015 | 18.52 | 21.05 | 25.00 |
| 2016 | 20.86 | 25.00 | 33.33 |
| 2017 | 19.44 | 29.03 | 66.67 |