| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 6.82 | 9.09 | 11.11 |
| 2008 | 4.20 | 4.17 | 17.07 |
| 2009 | 15.33 | 1.35 | 15.45 |
| 2010 | 15.60 | 4.38 | 18.36 |
| 2011 | 17.34 | 2.30 | 21.08 |
| 2012 | 10.74 | 0.00 | 15.16 |
| 2013 | 14.44 | 6.76 | 21.22 |
| 2014 | 12.78 | 3.53 | 21.50 |
| 2015 | 12.42 | 9.57 | 14.26 |
| 2016 | 15.15 | 6.98 | 13.33 |
| 2017 | 15.57 | 12.82 | 14.69 |
| 2018 | 14.60 | 10.75 | 17.69 |
| 2019 | 13.95 | 10.81 | 15.13 |
| 2020 | 15.24 | 2.56 | 12.61 |
| 2021 | 9.74 | 5.41 | 12.04 |
| 2022 | 7.41 | 16.67 | 7.55 |