| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 21.08 | 18.92 | 22.22 |
| 2008 | 19.82 | 15.15 | 15.09 |
| 2009 | 18.91 | 17.54 | 15.28 |
| 2010 | 20.88 | 14.29 | 28.13 |
| 2011 | 15.99 | 13.22 | 20.29 |
| 2012 | 17.93 | 15.20 | 17.86 |
| 2013 | 18.62 | 18.32 | 19.80 |
| 2014 | 24.84 | 20.37 | 29.85 |
| 2015 | 22.11 | 17.72 | 22.45 |
| 2016 | 29.63 | 15.00 | 33.33 |