| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 60.12 | 22.65 | 17.23 |
| 2008 | 63.75 | 25.79 | 10.45 |
| 2009 | 59.88 | 30.46 | 9.66 |
| 2010 | 60.86 | 32.08 | 7.06 |
| 2011 | 60.65 | 28.68 | 10.67 |
| 2012 | 60.02 | 32.97 | 7.01 |
| 2013 | 60.33 | 31.56 | 8.11 |
| 2014 | 58.90 | 37.19 | 3.91 |
| 2015 | 53.43 | 42.28 | 4.29 |
| 2016 | 51.93 | 45.38 | 2.68 |
| 2017 | 50.26 | 46.07 | 3.67 |
| 2018 | 51.75 | 44.23 | 4.02 |