| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 19.76 | 14.81 | 20.00 |
| 2008 | 18.72 | 15.53 | 19.33 |
| 2009 | 22.58 | 19.09 | 14.69 |
| 2010 | 17.61 | 13.40 | 12.28 |
| 2011 | 20.67 | 19.15 | 17.42 |
| 2012 | 19.51 | 18.49 | 8.00 |
| 2013 | 20.93 | 22.63 | 21.26 |
| 2014 | 20.00 | 25.93 | 21.74 |
| 2015 | 26.33 | 28.57 | 22.43 |
| 2016 | 21.33 | 18.09 | 16.90 |