| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 11.57 | 21.19 | 14.89 |
| 2009 | 10.14 | 12.50 | 13.78 |
| 2010 | 7.13 | 18.63 | 15.11 |
| 2011 | 7.87 | 17.84 | 13.59 |
| 2012 | 11.20 | 20.64 | 14.98 |
| 2013 | 10.69 | 18.62 | 15.45 |
| 2014 | 10.66 | 16.37 | 16.04 |
| 2015 | 15.26 | 21.11 | 16.32 |
| 2016 | 13.08 | 21.94 | 20.04 |
| 2017 | 12.38 | 21.90 | 20.97 |
| 2018 | 15.93 | 20.36 | 18.07 |
| 2019 | 14.23 | 21.57 | 20.89 |
| 2020 | 14.97 | 21.21 | 12.92 |
| 2021 | 15.92 | 21.96 | 14.35 |
| 2022 | 13.31 | 20.77 | 13.13 |
| 2023 | 13.44 | 17.57 | 13.27 |
| 2024 | 16.13 | 29.41 | 25.00 |