| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 34.78 | 24.32 | 10.53 |
| 2008 | 33.23 | 17.78 | 19.35 |
| 2009 | 38.22 | 20.37 | 22.41 |
| 2010 | 31.23 | 28.80 | 21.31 |
| 2011 | 34.45 | 25.60 | 20.29 |
| 2012 | 31.01 | 27.20 | 35.48 |
| 2013 | 31.69 | 24.00 | 23.08 |
| 2014 | 25.12 | 16.67 | 24.53 |
| 2015 | 27.15 | 22.92 | 25.35 |
| 2016 | 31.38 | 21.05 | 5.17 |
| 2017 | 25.47 | 21.97 | 20.69 |
| 2018 | 23.47 | 20.73 | 22.22 |
| 2019 | 14.29 | 0.00 | 0.00 |