| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 66.27 | 22.89 | 10.84 |
| 2008 | 61.91 | 24.42 | 13.67 |
| 2009 | 63.76 | 21.64 | 14.60 |
| 2010 | 59.18 | 8.16 | 32.65 |
| 2011 | 55.56 | 16.67 | 27.78 |
| 2012 | 59.69 | 25.28 | 15.04 |
| 2013 | 58.16 | 26.18 | 15.66 |
| 2014 | 55.45 | 23.72 | 20.83 |
| 2015 | 61.30 | 23.11 | 15.59 |
| 2016 | 59.78 | 24.10 | 16.12 |
| 2017 | 54.75 | 28.12 | 17.13 |