| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 0.05 | 11.28 | 6.13 |
| 2008 | 4.91 | 12.49 | 15.00 |
| 2009 | 7.06 | 14.98 | 14.55 |
| 2010 | 8.93 | 12.65 | 11.14 |
| 2011 | 3.53 | 11.98 | 11.68 |
| 2012 | 8.98 | 14.44 | 13.89 |
| 2013 | 4.31 | 11.29 | 17.40 |
| 2014 | 5.38 | 12.61 | 21.62 |
| 2015 | 2.78 | 11.66 | 8.26 |
| 2016 | 3.88 | 12.76 | 8.16 |
| 2017 | 3.69 | 9.02 | 9.96 |
| 2018 | 4.87 | 10.10 | 10.48 |
| 2019 | 8.11 | 12.20 | 8.30 |