| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 0.250 | 0.000 | 0.293 |
| 2009 | 0.364 | 0.000 | 0.243 |
| 2010 | 0.343 | 0.000 | 0.232 |
| 2011 | 0.266 | 0.000 | 0.244 |
| 2012 | 0.290 | 0.000 | 0.213 |
| 2013 | 0.293 | 0.000 | 0.235 |
| 2014 | 0.315 | 0.000 | 0.221 |
| 2015 | 0.420 | 0.000 | 0.224 |
| 2016 | 0.402 | 1.000 | 0.232 |
| 2017 | 0.256 | 0.500 | 0.266 |