| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2010 | 20.59 | 11.11 | 0.00 |
| 2011 | 21.30 | 16.67 | 8.33 |
| 2012 | 20.00 | 30.19 | 23.30 |
| 2013 | 23.17 | 17.59 | 23.88 |
| 2014 | 25.71 | 23.73 | 14.29 |
| 2015 | 27.14 | 29.41 | 27.65 |
| 2016 | 23.60 | 33.91 | 22.31 |
| 2017 | 26.24 | 25.00 | 26.00 |
| 2018 | 23.47 | 21.65 | 21.88 |
| 2019 | 30.99 | 19.49 | 22.22 |
| 2021 | 27.69 | 23.81 | 19.44 |
| 2022 | 25.00 | 50.00 | 50.00 |
| 2023 | 0.00 | 100.00 | 0.00 |