| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 15.00 | 14.01 | 16.00 |
| 2008 | 8.77 | 7.61 | 9.25 |
| 2009 | 9.29 | 13.31 | 9.55 |
| 2010 | 11.59 | 16.73 | 13.85 |
| 2011 | 10.62 | 16.76 | 13.55 |
| 2012 | 14.12 | 22.47 | 16.45 |
| 2013 | 13.98 | 19.85 | 21.47 |
| 2014 | 15.36 | 17.86 | 16.78 |
| 2015 | 13.59 | 20.81 | 20.48 |
| 2016 | 16.02 | 21.48 | 15.04 |