| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 30.68 | 10.87 | 12.50 |
| 2009 | 22.15 | 18.18 | 17.07 |
| 2010 | 22.65 | 16.83 | 17.24 |
| 2011 | 18.35 | 29.33 | 20.72 |
| 2012 | 22.11 | 19.25 | 19.42 |
| 2013 | 25.55 | 21.19 | 20.71 |
| 2014 | 17.24 | 22.22 | 19.15 |
| 2015 | 25.20 | 26.83 | 32.97 |
| 2016 | 23.17 | 20.75 | 25.25 |
| 2017 | 30.10 | 28.36 | 25.37 |
| 2018 | 25.22 | 24.39 | 13.89 |