| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 49.82 | 14.98 | 35.20 |
| 2008 | 54.54 | 13.09 | 32.38 |
| 2009 | 59.47 | 10.41 | 30.12 |
| 2010 | 68.63 | 8.47 | 22.90 |
| 2011 | 65.37 | 10.01 | 24.62 |
| 2012 | 65.18 | 8.93 | 25.89 |
| 2013 | 67.69 | 7.43 | 24.88 |
| 2014 | 68.05 | 9.50 | 22.45 |
| 2015 | 63.91 | 12.43 | 23.66 |
| 2016 | 66.86 | 14.79 | 18.35 |
| 2017 | 66.43 | 13.03 | 20.55 |
| 2018 | 62.96 | 17.99 | 19.06 |