| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 33.93 | 18.75 | 37.93 |
| 2008 | 29.19 | 17.86 | 22.73 |
| 2009 | 26.92 | 23.08 | 12.12 |
| 2010 | 31.19 | 6.90 | 25.00 |
| 2011 | 29.90 | 19.57 | 17.91 |
| 2012 | 28.39 | 15.38 | 22.83 |
| 2013 | 23.95 | 21.30 | 19.51 |
| 2014 | 23.91 | 17.74 | 17.24 |
| 2015 | 26.58 | 22.97 | 15.70 |
| 2016 | 22.56 | 11.33 | 16.20 |
| 2017 | 29.79 | 23.08 | 12.50 |