| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 7.41 | 21.82 | 28.57 |
| 2010 | 5.25 | 20.64 | 19.38 |
| 2011 | 3.36 | 18.99 | 11.28 |
| 2012 | 3.60 | 16.98 | 11.11 |
| 2013 | 3.61 | 18.34 | 8.75 |
| 2014 | 4.69 | 16.25 | 7.14 |
| 2015 | 5.43 | 21.31 | 5.56 |
| 2016 | 4.30 | 16.29 | 11.54 |
| 2017 | 5.04 | 13.85 | 7.56 |
| 2018 | 5.06 | 13.77 | 8.78 |
| 2019 | 5.91 | 11.31 | 9.17 |
| 2020 | 0.00 | 0.00 | 0.00 |
| 2021 | 8.51 | 11.51 | 11.90 |
| 2022 | 7.68 | 15.09 | 8.70 |