| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 54.87 | 24.78 | 20.35 |
| 2008 | 66.43 | 31.33 | 2.24 |
| 2009 | 57.22 | 33.87 | 8.91 |
| 2010 | 73.23 | 25.20 | 1.57 |
| 2011 | 69.88 | 30.12 | 0.00 |
| 2012 | 70.02 | 29.98 | 0.00 |
| 2013 | 68.29 | 31.71 | 0.00 |
| 2014 | 70.96 | 29.04 | 0.00 |
| 2015 | 69.80 | 30.10 | 0.10 |
| 2016 | 62.00 | 32.75 | 5.25 |
| 2017 | 66.67 | 32.73 | 0.60 |
| 2018 | 85.71 | 14.29 | 0.00 |