| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 16.26 | 13.24 | 17.39 |
| 2008 | 19.39 | 18.13 | 10.53 |
| 2009 | 16.98 | 14.17 | 43.75 |
| 2010 | 20.13 | 16.34 | 20.59 |
| 2011 | 14.77 | 16.75 | 28.57 |
| 2012 | 15.41 | 15.88 | 5.13 |
| 2013 | 25.00 | 20.11 | 20.00 |
| 2014 | 27.73 | 28.35 | 21.35 |
| 2015 | 30.11 | 25.81 | 26.00 |
| 2016 | 24.92 | 26.21 | 26.56 |
| 2017 | 22.87 | 18.29 | 23.60 |
| 2018 | 19.57 | 42.31 | 33.33 |
| 2019 | 20.59 | 12.50 | 0.00 |
| 2021 | 32.67 | 21.59 | 30.00 |