| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2010 | 15.52 | 34.78 | 36.84 |
| 2011 | 11.65 | 34.96 | 33.08 |
| 2012 | 11.02 | 34.62 | 31.90 |
| 2013 | 9.89 | 28.66 | 36.31 |
| 2014 | 9.20 | 30.00 | 38.71 |
| 2015 | 11.71 | 33.77 | 37.27 |
| 2016 | 8.74 | 30.94 | 47.97 |
| 2017 | 9.48 | 16.22 | 32.37 |
| 2018 | 9.29 | 28.15 | 29.02 |
| 2019 | 10.67 | 19.35 | 24.21 |