| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 23.81 | 58.82 | 41.67 |
| 2008 | 27.55 | 36.67 | 63.16 |
| 2009 | 30.94 | 34.48 | 64.52 |
| 2010 | 33.47 | 50.00 | 61.36 |
| 2011 | 29.08 | 46.67 | 45.45 |
| 2012 | 32.99 | 53.54 | 57.69 |
| 2013 | 31.43 | 46.00 | 53.85 |
| 2014 | 45.28 | 58.62 | 61.54 |
| 2015 | 41.30 | 45.16 | 66.67 |
| 2016 | 43.24 | 45.45 | 50.00 |
| 2017 | 46.15 | 41.38 | 0.00 |
| 2018 | 53.42 | 50.00 | 0.00 |