| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 16.23 | 16.83 | 15.15 |
| 2008 | 23.13 | 20.49 | 16.22 |
| 2009 | 18.73 | 19.87 | 16.06 |
| 2010 | 12.99 | 15.74 | 13.73 |
| 2011 | 16.81 | 14.29 | 15.08 |
| 2012 | 14.71 | 25.22 | 19.10 |
| 2013 | 22.08 | 24.31 | 31.65 |
| 2014 | 22.64 | 26.18 | 25.55 |
| 2015 | 28.69 | 22.75 | 27.96 |
| 2016 | 30.80 | 32.14 | 25.19 |