| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 24.16 | 25.81 | 25.00 |
| 2008 | 26.80 | 15.91 | 25.00 |
| 2009 | 22.98 | 18.38 | 22.58 |
| 2010 | 24.11 | 21.38 | 25.53 |
| 2012 | 25.00 | 14.05 | 25.00 |
| 2013 | 17.25 | 15.03 | 14.81 |
| 2014 | 20.56 | 14.81 | 28.57 |
| 2015 | 20.83 | 5.00 | 0.00 |
| 2016 | 19.10 | 18.79 | 11.11 |
| 2017 | 17.59 | 19.78 | 0.00 |
| 2018 | 20.55 | 21.95 | 33.33 |
| 2019 | 25.83 | 17.77 | 0.00 |
| 2020 | 22.39 | 19.23 | 11.11 |
| 2021 | 24.07 | 35.00 | 30.00 |