| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 8.13 | 6.82 | 0.00 |
| 2008 | 6.93 | 6.82 | 4.10 |
| 2009 | 6.98 | 5.10 | 4.33 |
| 2010 | 6.40 | 5.09 | 4.17 |
| 2011 | 6.40 | 4.93 | 3.74 |
| 2012 | 5.74 | 5.52 | 3.78 |
| 2013 | 6.47 | 6.68 | 2.59 |
| 2014 | 6.75 | 4.39 | 2.15 |
| 2015 | 6.25 | 2.89 | 0.58 |
| 2016 | 6.97 | 3.64 | 2.59 |
| 2017 | 5.83 | 2.25 | 2.36 |
| 2018 | 6.72 | 4.15 | 2.66 |
| 2019 | 6.39 | 2.08 | 1.93 |
| 2020 | 7.68 | 3.01 | 0.68 |
| 2021 | 6.10 | 3.88 | 4.19 |