| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 14.03 | 28.70 | 40.26 |
| 2008 | 15.42 | 28.92 | 41.10 |
| 2009 | 12.73 | 30.80 | 33.33 |
| 2010 | 17.35 | 32.26 | 26.61 |
| 2011 | 17.15 | 34.06 | 35.55 |
| 2012 | 22.65 | 43.60 | 36.84 |
| 2013 | 32.35 | 40.28 | 36.96 |
| 2014 | 16.91 | 40.86 | 36.16 |
| 2015 | 12.77 | 33.73 | 32.18 |
| 2016 | 13.99 | 38.03 | 33.33 |
| 2017 | 12.14 | 39.17 | 26.61 |
| 2018 | 18.33 | 44.62 | 35.94 |