| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 29.03 | 11.54 | 41.18 |
| 2009 | 33.45 | 34.29 | 28.43 |
| 2010 | 32.36 | 25.00 | 19.33 |
| 2011 | 37.65 | 30.33 | 22.22 |
| 2012 | 41.91 | 29.41 | 18.88 |
| 2013 | 43.60 | 23.53 | 21.47 |
| 2014 | 38.89 | 28.03 | 25.00 |
| 2015 | 28.98 | 17.95 | 18.18 |
| 2016 | 28.11 | 23.31 | 18.52 |
| 2017 | 35.58 | 22.58 | 14.29 |
| 2018 | 28.17 | 26.23 | 21.35 |
| 2019 | 33.85 | 20.45 | 9.30 |
| 2020 | 32.32 | 12.50 | 16.67 |
| 2021 | 44.90 | 22.92 | 45.83 |