| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 54.11 | 23.56 | 22.33 |
| 2009 | 54.95 | 28.48 | 16.57 |
| 2010 | 48.54 | 33.76 | 17.70 |
| 2011 | 51.65 | 29.08 | 19.27 |
| 2012 | 50.09 | 32.94 | 16.97 |
| 2013 | 40.87 | 36.74 | 22.39 |
| 2014 | 42.91 | 31.56 | 25.53 |
| 2015 | 46.80 | 32.81 | 20.39 |
| 2016 | 50.69 | 29.90 | 19.40 |
| 2017 | 50.36 | 33.02 | 16.62 |
| 2018 | 43.67 | 39.21 | 17.12 |