| Year | Right Handed | Left Handed |
|---|---|---|
| 2007 | 14.97 | 11.11 |
| 2008 | 14.38 | 12.67 |
| 2009 | 12.87 | 7.87 |
| 2010 | 14.31 | 13.03 |
| 2011 | 15.14 | 11.11 |
| 2012 | 14.14 | 13.11 |
| 2013 | 16.96 | 12.35 |
| 2014 | 15.35 | 12.52 |
| 2015 | 14.26 | 10.86 |
| 2016 | 17.04 | 13.09 |
| 2017 | 16.55 | 15.21 |
| 2018 | 15.08 | 15.47 |
| 2019 | 23.91 | 10.61 |
| 2020 | 19.53 | 13.49 |
| 2021 | 5.88 | 20.00 |