| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 18.95 | 34.55 | 24.53 |
| 2010 | 23.26 | 32.61 | 31.58 |
| 2011 | 23.81 | 22.86 | 32.00 |
| 2012 | 17.09 | 19.61 | 26.19 |
| 2013 | 16.90 | 15.12 | 32.65 |
| 2014 | 21.47 | 22.09 | 21.05 |
| 2015 | 20.23 | 20.00 | 29.11 |
| 2016 | 26.53 | 28.83 | 21.65 |
| 2017 | 28.54 | 21.88 | 23.88 |
| 2018 | 24.91 | 22.46 | 32.47 |
| 2019 | 25.85 | 25.00 | 28.05 |
| 2020 | 50.00 | 0.00 | 0.00 |