| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 4.24 | 9.84 | 26.00 |
| 2008 | 4.35 | 1.47 | 13.22 |
| 2009 | 11.54 | 0.00 | 0.00 |
| 2010 | 6.46 | 7.48 | 21.93 |
| 2011 | 7.09 | 9.86 | 20.35 |
| 2012 | 9.51 | 6.27 | 20.10 |
| 2013 | 8.23 | 6.70 | 19.88 |
| 2014 | 9.52 | 9.42 | 19.92 |
| 2015 | 9.96 | 12.68 | 20.15 |
| 2016 | 10.84 | 8.87 | 15.42 |
| 2017 | 8.29 | 9.94 | 20.61 |