| Year | Right Handed | Left Handed |
|---|---|---|
| 2009 | 12.39 | 3.70 |
| 2010 | 7.44 | 10.42 |
| 2011 | 10.27 | 11.24 |
| 2012 | 9.41 | 13.19 |
| 2013 | 10.77 | 16.98 |
| 2014 | 11.41 | 16.06 |
| 2015 | 13.27 | 15.85 |
| 2016 | 11.40 | 16.64 |
| 2017 | 10.15 | 15.73 |
| 2018 | 9.44 | 13.61 |
| 2019 | 11.41 | 16.25 |
| 2020 | 8.51 | 11.84 |
| 2021 | 9.22 | 14.69 |
| 2022 | 8.31 | 9.85 |