| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 23.01 | 16.00 | 17.24 |
| 2008 | 30.62 | 22.96 | 33.33 |
| 2009 | 31.86 | 26.71 | 12.50 |
| 2010 | 25.81 | 24.74 | 19.15 |
| 2011 | 25.67 | 24.34 | 24.07 |
| 2012 | 33.42 | 22.14 | 32.81 |
| 2013 | 21.38 | 26.90 | 25.00 |
| 2014 | 24.30 | 25.18 | 14.29 |
| 2015 | 32.63 | 23.33 | 33.33 |
| 2016 | 22.53 | 25.97 | 75.00 |
| 2017 | 29.88 | 31.88 | 30.00 |
| 2018 | 24.46 | 24.62 | 20.00 |
| 2019 | 23.78 | 26.15 | 18.75 |
| 2020 | 0.00 | 20.00 | 0.00 |
| 2021 | 0.00 | 0.00 | 0.00 |