| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 11.63 | 44.44 | 47.19 |
| 2008 | 18.07 | 41.85 | 46.11 |
| 2009 | 13.67 | 31.79 | 45.05 |
| 2010 | 17.21 | 28.61 | 41.77 |
| 2011 | 17.72 | 33.03 | 38.11 |
| 2012 | 18.16 | 33.79 | 42.94 |
| 2013 | 14.48 | 36.78 | 38.28 |
| 2014 | 15.55 | 30.46 | 30.33 |
| 2015 | 18.11 | 29.66 | 35.83 |
| 2016 | 4.55 | 50.00 | 20.00 |