| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 36.94 | 22.36 | 23.08 |
| 2009 | 40.63 | 27.09 | 24.19 |
| 2010 | 33.62 | 29.28 | 26.32 |
| 2011 | 27.59 | 24.06 | 33.33 |
| 2012 | 27.42 | 29.17 | 20.62 |
| 2013 | 23.69 | 24.59 | 26.58 |
| 2014 | 25.42 | 28.89 | 18.00 |
| 2015 | 27.63 | 15.91 | 33.33 |
| 2016 | 27.27 | 25.33 | 25.00 |
| 2017 | 25.80 | 28.02 | 19.74 |