| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 10.71 | 37.06 | 31.75 |
| 2008 | 12.26 | 45.12 | 45.55 |
| 2009 | 14.97 | 39.14 | 39.32 |
| 2010 | 13.33 | 39.13 | 30.63 |
| 2011 | 15.31 | 41.37 | 33.11 |
| 2012 | 13.52 | 42.72 | 31.95 |
| 2013 | 14.65 | 34.59 | 25.65 |
| 2014 | 18.98 | 29.17 | 41.56 |
| 2015 | 17.31 | 25.25 | 30.86 |
| 2016 | 17.57 | 32.12 | 38.82 |