| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 33.33 | 36.84 | 28.57 |
| 2008 | 31.44 | 29.41 | 14.46 |
| 2009 | 35.16 | 32.22 | 28.92 |
| 2010 | 31.10 | 30.61 | 28.81 |
| 2011 | 30.74 | 30.08 | 30.23 |
| 2012 | 28.82 | 32.93 | 37.25 |
| 2013 | 23.53 | 20.22 | 24.19 |
| 2014 | 23.81 | 21.05 | 10.34 |
| 2015 | 18.91 | 22.22 | 28.33 |
| 2016 | 20.65 | 23.08 | 13.85 |
| 2017 | 30.79 | 27.71 | 30.12 |
| 2018 | 28.33 | 27.27 | 22.92 |