| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 64.04 | 26.22 | 9.74 |
| 2008 | 65.30 | 24.69 | 10.02 |
| 2009 | 61.76 | 25.33 | 12.91 |
| 2010 | 64.45 | 22.29 | 13.26 |
| 2011 | 67.84 | 21.69 | 10.47 |
| 2012 | 66.05 | 24.84 | 9.11 |
| 2013 | 66.61 | 23.72 | 9.66 |
| 2014 | 65.48 | 22.42 | 12.10 |
| 2015 | 67.25 | 23.47 | 9.28 |
| 2016 | 62.83 | 24.26 | 12.91 |
| 2017 | 60.91 | 30.72 | 8.37 |
| 2018 | 60.37 | 29.43 | 10.20 |