| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 9.24 | 13.80 | 20.60 |
| 2008 | -4.38 | 8.84 | 10.15 |
| 2009 | -0.76 | 4.07 | 6.94 |
| 2010 | 0.87 | -3.04 | 14.35 |
| 2011 | 2.73 | 1.98 | 4.39 |
| 2012 | -1.23 | 13.38 | 20.74 |
| 2013 | -0.95 | 11.87 | 10.69 |
| 2014 | 1.25 | 9.31 | 6.42 |
| 2015 | -5.54 | 4.06 | 8.82 |
| 2016 | -2.61 | 7.87 | 10.50 |
| 2017 | 1.18 | 2.50 | -7.63 |