| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 30.88 | 25.00 | 33.33 |
| 2008 | 31.74 | 24.62 | 22.86 |
| 2009 | 27.56 | 25.44 | 24.60 |
| 2010 | 28.36 | 19.74 | 20.11 |
| 2011 | 27.76 | 27.70 | 25.84 |
| 2012 | 32.03 | 20.53 | 23.47 |
| 2013 | 23.26 | 21.17 | 24.63 |
| 2014 | 25.82 | 20.14 | 19.23 |
| 2015 | 22.11 | 28.81 | 20.00 |
| 2016 | 26.79 | 20.59 | 11.76 |