| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 21.50 | 11.48 | 31.75 |
| 2010 | 16.67 | 6.12 | 22.86 |
| 2011 | 19.05 | 20.12 | 19.10 |
| 2012 | 15.44 | 16.41 | 19.44 |
| 2013 | 24.68 | 31.30 | 20.59 |
| 2014 | 30.99 | 13.89 | 25.00 |
| 2015 | 35.16 | 22.50 | 28.57 |
| 2016 | 30.36 | 25.68 | 30.23 |
| 2017 | 28.17 | 24.26 | 32.65 |
| 2018 | 26.12 | 28.93 | 21.62 |