| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 24.64 | 25.64 | 54.55 |
| 2008 | 28.57 | 33.33 | 50.00 |
| 2009 | 20.83 | 25.00 | 50.00 |
| 2010 | 24.08 | 21.28 | 0.00 |
| 2011 | 30.88 | 30.23 | 0.00 |
| 2012 | 21.80 | 34.29 | 0.00 |
| 2013 | 10.00 | 17.65 | 40.00 |
| 2014 | 10.00 | 16.67 | 0.00 |
| 2015 | 17.28 | 15.79 | 33.33 |
| 2016 | 19.42 | 40.00 | 25.00 |
| 2017 | 14.81 | 25.81 | 33.33 |