| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 50.00 | 50.00 | 0.00 |
| 2008 | 36.36 | 52.94 | 42.11 |
| 2009 | 38.46 | 53.85 | 60.61 |
| 2010 | 42.21 | 45.78 | 50.00 |
| 2011 | 41.79 | 52.63 | 54.17 |
| 2012 | 46.15 | 52.13 | 55.67 |
| 2013 | 45.86 | 40.68 | 50.63 |
| 2014 | 37.44 | 46.00 | 52.33 |
| 2015 | 41.94 | 46.30 | 50.00 |
| 2016 | 40.43 | 45.83 | 58.33 |