| Year | Right Handed | Left Handed |
|---|---|---|
| 2007 | -0.09 | -0.19 |
| 2008 | -0.23 | -0.27 |
| 2009 | -0.45 | -0.46 |
| 2010 | -0.47 | -0.40 |
| 2011 | -0.22 | -0.32 |
| 2012 | -0.47 | -0.44 |
| 2013 | -0.30 | -0.38 |
| 2014 | -0.47 | -0.51 |
| 2015 | -0.57 | -0.78 |
| 2016 | -0.43 | -0.65 |
| 2017 | -0.46 | -0.76 |
| 2018 | -0.34 | -0.70 |
| 2019 | -0.49 | -0.73 |
| 2020 | -0.66 | -0.86 |
| 2021 | -0.45 | -0.64 |