| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 29.55 | 37.04 | 37.78 |
| 2010 | 31.72 | 28.18 | 26.09 |
| 2011 | 36.75 | 36.79 | 31.25 |
| 2012 | 29.90 | 29.37 | 28.85 |
| 2013 | 25.08 | 25.87 | 22.64 |
| 2014 | 27.84 | 22.40 | 13.95 |
| 2015 | 25.08 | 24.24 | 22.50 |
| 2016 | 25.58 | 24.76 | 18.92 |
| 2017 | 26.80 | 24.30 | 20.51 |
| 2018 | 23.49 | 27.64 | 18.37 |