| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 64.69 | 23.64 | 11.67 |
| 2008 | 61.51 | 25.47 | 13.02 |
| 2009 | 59.86 | 27.10 | 13.04 |
| 2010 | 58.97 | 28.43 | 12.60 |
| 2011 | 61.25 | 27.34 | 11.41 |
| 2012 | 61.47 | 27.54 | 10.99 |
| 2013 | 62.56 | 27.22 | 10.22 |
| 2014 | 63.21 | 27.53 | 9.25 |
| 2015 | 59.19 | 26.59 | 14.23 |
| 2016 | 61.41 | 27.02 | 11.57 |
| 2017 | 57.83 | 31.44 | 10.73 |
| 2018 | 59.90 | 30.52 | 9.58 |