| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 14.24 | 38.19 | 17.95 |
| 2010 | 12.16 | 36.81 | 23.46 |
| 2011 | 16.12 | 29.81 | 9.26 |
| 2012 | 14.32 | 33.54 | 20.73 |
| 2013 | 12.27 | 43.94 | 21.28 |
| 2014 | 8.44 | 36.89 | 18.18 |
| 2015 | 7.06 | 39.23 | 11.76 |
| 2016 | 10.55 | 29.83 | 22.73 |
| 2017 | 11.36 | 30.98 | 13.48 |
| 2018 | 17.55 | 34.59 | 16.25 |