| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 57.14 | 27.95 | 14.91 |
| 2008 | 58.56 | 25.82 | 15.62 |
| 2009 | 59.94 | 22.23 | 17.83 |
| 2010 | 63.59 | 23.95 | 12.46 |
| 2011 | 62.14 | 23.69 | 14.17 |
| 2012 | 64.84 | 23.65 | 11.51 |
| 2013 | 64.25 | 23.54 | 12.22 |
| 2014 | 65.42 | 20.90 | 13.68 |
| 2015 | 67.73 | 21.05 | 11.22 |
| 2016 | 68.60 | 19.07 | 12.33 |
| 2017 | 64.96 | 21.07 | 13.97 |
| 2018 | 67.72 | 21.69 | 10.59 |