| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 9.18 | 14.50 | 15.22 |
| 2009 | 7.09 | 8.94 | 17.28 |
| 2010 | 7.14 | 11.87 | 17.14 |
| 2011 | 7.67 | 15.15 | 21.54 |
| 2012 | 5.63 | 11.56 | 22.01 |
| 2013 | 7.58 | 15.23 | 23.50 |
| 2014 | 7.64 | 9.60 | 17.22 |
| 2015 | 7.40 | 10.25 | 20.50 |
| 2016 | 7.50 | 8.18 | 21.65 |
| 2017 | 8.00 | 9.30 | 20.16 |
| 2018 | 7.90 | 7.57 | 21.94 |
| 2019 | 7.30 | 8.73 | 19.36 |
| 2020 | 6.70 | 13.16 | 18.73 |
| 2022 | 6.31 | 7.35 | 15.31 |