| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 21.74 | 55.56 | 66.67 |
| 2008 | 13.96 | 21.12 | 27.91 |
| 2009 | 12.75 | 23.08 | 14.75 |
| 2010 | 12.57 | 21.08 | 20.27 |
| 2011 | 13.31 | 16.38 | 15.96 |
| 2012 | 15.05 | 40.74 | 13.33 |
| 2013 | 11.15 | 27.95 | 14.85 |
| 2014 | 14.58 | 25.00 | 26.67 |
| 2015 | 11.00 | 34.83 | 17.67 |
| 2016 | 10.35 | 31.46 | 33.12 |
| 2017 | 10.35 | 32.77 | 25.28 |