| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 22.81 | 50.00 | 13.64 |
| 2009 | 39.13 | 22.22 | 22.22 |
| 2010 | 43.64 | 33.33 | 22.22 |
| 2011 | 27.94 | 38.36 | 20.83 |
| 2012 | 31.83 | 32.86 | 25.26 |
| 2013 | 17.65 | 28.07 | 20.83 |
| 2014 | 18.36 | 25.00 | 18.33 |
| 2015 | 22.36 | 22.00 | 23.17 |
| 2016 | 21.79 | 19.71 | 36.84 |
| 2017 | 27.11 | 21.59 | 18.37 |
| 2018 | 33.68 | 23.08 | 33.33 |