| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 66.38 | 28.23 | 5.39 |
| 2010 | 71.19 | 26.27 | 2.54 |
| 2011 | 67.21 | 24.66 | 8.12 |
| 2012 | 64.01 | 30.37 | 5.62 |
| 2013 | 61.89 | 34.56 | 3.55 |
| 2014 | 59.17 | 28.12 | 12.70 |
| 2015 | 50.88 | 26.11 | 23.01 |
| 2016 | 48.47 | 28.52 | 23.02 |
| 2017 | 49.63 | 39.79 | 10.57 |
| 2018 | 53.20 | 30.25 | 16.54 |