| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 14.29 | 0.00 | 0.00 |
| 2010 | 22.58 | 18.75 | 0.00 |
| 2011 | 38.94 | 14.89 | 0.00 |
| 2012 | 37.63 | 20.00 | 0.00 |
| 2013 | 33.64 | 22.54 | 0.00 |
| 2014 | 31.76 | 22.41 | 0.00 |
| 2015 | 24.68 | 13.56 | 0.00 |
| 2016 | 36.84 | 22.22 | 0.00 |
| 2017 | 29.76 | 26.67 | 0.00 |
| 2018 | 15.56 | 41.67 | 0.00 |
| 2019 | 32.26 | 24.24 | 0.00 |