| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 11.66 | 39.73 | 35.71 |
| 2008 | 20.72 | 31.54 | 20.97 |
| 2009 | 15.09 | 26.71 | 28.89 |
| 2010 | 19.16 | 31.05 | 24.24 |
| 2011 | 16.96 | 28.26 | 19.74 |
| 2012 | 15.11 | 29.55 | 19.42 |
| 2013 | 16.53 | 33.01 | 28.67 |
| 2014 | 17.60 | 35.56 | 25.14 |
| 2015 | 20.20 | 32.28 | 23.71 |
| 2016 | 17.98 | 31.09 | 27.75 |
| 2017 | 18.18 | 33.56 | 23.08 |
| 2018 | 21.88 | 26.58 | 16.67 |