| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 57.58 | 31.61 | 10.81 |
| 2009 | 53.74 | 29.43 | 16.83 |
| 2010 | 51.50 | 35.42 | 13.08 |
| 2011 | 53.43 | 29.14 | 17.43 |
| 2012 | 47.49 | 32.66 | 19.85 |
| 2013 | 46.84 | 28.88 | 24.27 |
| 2014 | 47.04 | 31.54 | 21.42 |
| 2015 | 57.94 | 24.26 | 17.80 |
| 2016 | 60.44 | 22.95 | 16.61 |
| 2017 | 58.14 | 20.93 | 20.93 |
| 2018 | 60.82 | 14.38 | 24.81 |