| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 16.05 | 9.09 | 15.00 |
| 2009 | 18.81 | 15.22 | 13.89 |
| 2010 | 22.91 | 26.03 | 13.79 |
| 2011 | 19.76 | 21.98 | 17.07 |
| 2012 | 15.09 | 16.67 | 9.09 |
| 2013 | 19.22 | 22.45 | 13.33 |
| 2014 | 24.44 | 16.42 | 25.93 |
| 2015 | 23.47 | 20.41 | 23.91 |
| 2016 | 26.47 | 0.00 | 22.22 |
| 2017 | 25.90 | 22.44 | 28.95 |
| 2018 | 24.66 | 22.02 | 33.33 |
| 2019 | 27.38 | 22.94 | 19.05 |
| 2020 | 22.99 | 23.08 | 33.33 |