| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 23.48 | 14.29 | 18.87 |
| 2010 | 22.12 | 23.33 | 21.55 |
| 2011 | 20.03 | 26.44 | 17.27 |
| 2012 | 19.41 | 20.83 | 19.42 |
| 2013 | 20.17 | 15.93 | 20.97 |
| 2014 | 22.17 | 29.31 | 25.58 |
| 2015 | 29.39 | 33.87 | 33.33 |
| 2016 | 24.24 | 21.21 | 32.20 |
| 2017 | 24.64 | 20.93 | 21.05 |
| 2018 | 22.60 | 28.00 | 38.46 |