| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 18.87 | 10.34 | 14.29 |
| 2010 | 17.24 | 14.71 | 16.67 |
| 2011 | 13.64 | 8.51 | 7.14 |
| 2012 | 21.28 | 22.22 | 25.00 |
| 2013 | 24.36 | 29.03 | 0.00 |
| 2014 | 29.76 | 11.43 | 35.71 |
| 2015 | 28.77 | 16.67 | 15.15 |
| 2016 | 30.91 | 18.60 | 19.44 |
| 2017 | 24.59 | 16.67 | 27.27 |
| 2018 | 20.00 | 26.32 | 14.29 |