| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 17.71 | 34.38 | 36.90 |
| 2008 | 14.00 | 38.15 | 39.83 |
| 2009 | 15.17 | 35.47 | 37.13 |
| 2010 | 15.22 | 37.68 | 38.98 |
| 2011 | 12.50 | 35.83 | 24.32 |
| 2012 | 8.72 | 36.23 | 34.54 |
| 2013 | 10.74 | 36.76 | 37.71 |
| 2014 | 9.43 | 35.62 | 53.97 |
| 2015 | 11.09 | 33.03 | 30.48 |
| 2016 | 9.35 | 42.86 | 41.83 |