| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 38.46 | 31.58 | 14.29 |
| 2008 | 25.76 | 21.57 | 27.71 |
| 2009 | 24.73 | 27.78 | 22.89 |
| 2010 | 24.03 | 22.45 | 11.86 |
| 2011 | 27.41 | 25.20 | 19.77 |
| 2012 | 29.41 | 28.05 | 17.65 |
| 2013 | 34.31 | 23.60 | 20.97 |
| 2014 | 35.24 | 34.21 | 34.48 |
| 2015 | 34.18 | 49.21 | 21.67 |
| 2016 | 32.90 | 35.38 | 40.00 |
| 2017 | 31.43 | 25.30 | 20.48 |
| 2018 | 35.49 | 27.27 | 31.25 |