| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 27.16 | 11.11 | 55.56 |
| 2009 | 25.56 | 34.78 | 41.94 |
| 2010 | 28.24 | 27.84 | 40.00 |
| 2011 | 27.58 | 32.90 | 35.29 |
| 2012 | 26.18 | 28.02 | 21.43 |
| 2013 | 18.80 | 20.36 | 27.27 |
| 2014 | 15.96 | 15.79 | 25.00 |
| 2015 | 15.24 | 18.30 | 0.00 |
| 2016 | 19.67 | 18.95 | 0.00 |
| 2017 | 27.60 | 15.32 | 33.33 |
| 2018 | 28.24 | 13.17 | 0.00 |
| 2019 | 27.59 | 14.93 | 50.00 |