| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 40.15 | 42.50 | 41.67 |
| 2008 | 37.17 | 34.26 | 29.17 |
| 2009 | 22.46 | 20.90 | 26.09 |
| 2010 | 24.92 | 22.31 | 21.21 |
| 2011 | 27.85 | 31.06 | 26.39 |
| 2012 | 34.02 | 28.79 | 24.14 |
| 2013 | 22.61 | 33.33 | 25.00 |
| 2014 | 19.73 | 21.11 | 10.81 |
| 2015 | 16.53 | 22.55 | 25.00 |
| 2016 | 15.87 | 18.81 | 20.34 |
| 2017 | 19.50 | 18.06 | 20.59 |
| 2018 | 19.38 | 22.22 | 11.11 |