| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 23.36 | 30.08 | 34.85 |
| 2008 | 17.71 | 31.03 | 25.57 |
| 2009 | 16.06 | 28.08 | 29.03 |
| 2010 | 16.69 | 25.19 | 28.03 |
| 2011 | 17.15 | 25.33 | 23.21 |
| 2012 | 20.20 | 28.01 | 18.03 |
| 2013 | 20.81 | 30.77 | 30.43 |
| 2014 | 20.20 | 28.51 | 33.70 |
| 2015 | 17.41 | 33.45 | 31.19 |
| 2016 | 16.77 | 29.29 | 23.85 |
| 2017 | 17.71 | 33.50 | 23.86 |
| 2018 | 17.38 | 28.00 | 40.00 |