| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 69.49 | 18.80 | 11.71 |
| 2009 | 71.17 | 12.68 | 16.15 |
| 2010 | 64.88 | 15.12 | 20.01 |
| 2011 | 61.37 | 18.11 | 20.51 |
| 2012 | 60.38 | 19.62 | 19.99 |
| 2013 | 56.61 | 22.25 | 21.14 |
| 2014 | 55.15 | 24.10 | 20.75 |
| 2015 | 60.22 | 26.63 | 13.15 |
| 2016 | 59.27 | 28.02 | 12.71 |
| 2017 | 53.26 | 32.65 | 14.09 |
| 2018 | 65.97 | 19.03 | 15.00 |