| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 60.02 | 33.81 | 6.16 |
| 2008 | 61.22 | 35.11 | 3.67 |
| 2009 | 58.00 | 36.75 | 5.25 |
| 2010 | 58.41 | 36.53 | 5.06 |
| 2011 | 58.76 | 38.35 | 2.89 |
| 2012 | 57.93 | 35.55 | 6.52 |
| 2013 | 55.45 | 37.56 | 6.98 |
| 2014 | 52.81 | 33.50 | 13.69 |
| 2015 | 52.92 | 33.33 | 13.75 |
| 2016 | 52.78 | 36.88 | 10.34 |