| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 46.69 | 32.61 | 46.39 |
| 2009 | 47.42 | 50.00 | 40.95 |
| 2010 | 49.30 | 60.00 | 23.75 |
| 2011 | 48.16 | 25.00 | 43.04 |
| 2012 | 48.56 | 15.38 | 37.27 |
| 2013 | 47.05 | 37.50 | 53.66 |
| 2014 | 45.62 | 25.49 | 54.48 |
| 2015 | 50.43 | 18.75 | 52.85 |
| 2016 | 49.11 | 40.00 | 55.00 |
| 2017 | 44.59 | 37.72 | 44.04 |