| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 66.54 | 17.32 | 16.15 |
| 2008 | 66.04 | 17.11 | 16.84 |
| 2009 | 64.98 | 24.28 | 10.73 |
| 2010 | 70.00 | 13.64 | 16.36 |
| 2011 | 77.95 | 18.91 | 3.14 |
| 2012 | 77.99 | 18.68 | 3.33 |
| 2013 | 80.43 | 14.81 | 4.75 |
| 2014 | 75.48 | 23.83 | 0.69 |
| 2015 | 79.21 | 20.79 | 0.00 |
| 2016 | 70.07 | 29.20 | 0.73 |
| 2017 | 74.84 | 22.90 | 2.26 |
| 2018 | 69.33 | 30.67 | 0.00 |