| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 33.87 | 52.08 | 52.63 |
| 2008 | 42.35 | 52.69 | 58.06 |
| 2009 | 42.78 | 44.25 | 45.59 |
| 2010 | 44.05 | 52.46 | 43.06 |
| 2011 | 42.24 | 41.07 | 46.79 |
| 2012 | 39.74 | 43.02 | 55.77 |
| 2013 | 46.70 | 51.61 | 49.46 |
| 2014 | 46.83 | 41.96 | 50.44 |
| 2015 | 54.55 | 54.84 | 52.56 |
| 2016 | 44.10 | 41.80 | 49.12 |
| 2017 | 45.52 | 54.76 | 58.49 |