| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 30.11 | 15.38 | 5.88 |
| 2009 | 19.45 | 20.00 | 13.73 |
| 2010 | 21.68 | 13.75 | 27.33 |
| 2011 | 20.00 | 19.67 | 16.37 |
| 2012 | 21.32 | 19.61 | 17.48 |
| 2013 | 22.15 | 14.29 | 17.18 |
| 2014 | 23.20 | 19.70 | 20.51 |
| 2015 | 31.53 | 21.15 | 23.86 |
| 2016 | 28.99 | 22.56 | 24.69 |
| 2017 | 22.10 | 26.61 | 14.29 |
| 2018 | 25.70 | 22.13 | 16.85 |
| 2019 | 27.69 | 23.48 | 27.91 |
| 2020 | 33.33 | 45.83 | 26.19 |
| 2021 | 20.41 | 20.83 | 16.67 |