| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 28.80 | 34.48 | 11.11 |
| 2008 | 21.66 | 10.87 | 15.91 |
| 2009 | 17.52 | 22.54 | 14.63 |
| 2010 | 25.07 | 16.39 | 17.78 |
| 2011 | 19.11 | 19.40 | 11.63 |
| 2012 | 20.18 | 11.90 | 11.63 |
| 2013 | 30.04 | 26.15 | 17.39 |
| 2014 | 28.23 | 27.84 | 15.56 |
| 2015 | 26.88 | 29.47 | 27.66 |
| 2016 | 26.74 | 35.48 | 29.41 |
| 2017 | 30.00 | 37.50 | 50.00 |