| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 0.01 | -0.72 | -0.30 |
| 2008 | -0.11 | -0.82 | -0.19 |
| 2009 | -0.28 | -1.02 | -0.70 |
| 2010 | -0.25 | -1.10 | -0.82 |
| 2011 | -0.10 | -0.92 | -0.55 |
| 2012 | -0.29 | -1.00 | -0.86 |
| 2013 | -0.11 | -1.08 | -0.90 |
| 2014 | -0.33 | -1.14 | -1.08 |
| 2015 | -0.43 | -1.36 | -1.29 |
| 2016 | -0.31 | -1.42 | -0.94 |
| 2017 | -0.32 | -1.38 | -1.14 |
| 2018 | -0.20 | -1.13 | -1.03 |
| 2019 | -0.31 | -1.20 | -1.20 |
| 2020 | -0.47 | -1.38 | -1.33 |
| 2021 | -0.29 | -1.34 | -0.93 |