| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 17.19 | 14.81 | 16.67 |
| 2008 | 21.22 | 26.85 | 15.00 |
| 2009 | 21.27 | 26.19 | 25.71 |
| 2010 | 23.81 | 16.33 | 27.54 |
| 2011 | 21.94 | 18.70 | 28.95 |
| 2012 | 20.80 | 20.74 | 20.97 |
| 2013 | 26.23 | 22.41 | 35.71 |
| 2014 | 27.56 | 26.89 | 28.05 |
| 2015 | 27.47 | 26.09 | 28.21 |
| 2016 | 25.52 | 38.26 | 29.17 |
| 2017 | 35.27 | 26.37 | 28.26 |
| 2018 | 33.33 | 12.82 | 26.67 |
| 2019 | 30.38 | 20.72 | 23.08 |