| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 16.16 | 34.07 | 26.42 |
| 2008 | 17.74 | 35.16 | 21.82 |
| 2009 | 15.90 | 37.59 | 24.22 |
| 2010 | 15.74 | 37.73 | 29.31 |
| 2012 | 14.13 | 39.51 | 10.67 |
| 2013 | 16.01 | 36.67 | 30.36 |
| 2014 | 15.60 | 34.99 | 31.25 |
| 2015 | 14.56 | 33.93 | 0.00 |
| 2016 | 15.99 | 29.87 | 31.82 |
| 2017 | 13.82 | 29.61 | 16.67 |
| 2018 | 18.08 | 33.04 | 14.29 |
| 2019 | 16.65 | 27.03 | 26.67 |
| 2020 | 16.79 | 30.81 | 9.09 |
| 2021 | 22.61 | 39.71 | 14.29 |