| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 13.64 | 12.50 | 12.50 |
| 2008 | 22.69 | 16.67 | 25.00 |
| 2009 | 23.53 | 24.44 | 0.00 |
| 2011 | 25.53 | 6.45 | 0.00 |
| 2012 | 23.96 | 27.27 | 0.00 |
| 2013 | 28.24 | 25.71 | 0.00 |
| 2014 | 31.25 | 36.17 | 18.18 |
| 2015 | 28.85 | 32.26 | 0.00 |
| 2016 | 31.13 | 17.65 | 0.00 |
| 2017 | 37.33 | 29.73 | 25.00 |