| Year | Right Handed | Left Handed |
|---|---|---|
| 2008 | 20.29 | 26.47 |
| 2009 | 17.06 | 20.83 |
| 2010 | 18.46 | 22.22 |
| 2011 | 23.87 | 28.74 |
| 2012 | 16.77 | 14.04 |
| 2013 | 17.65 | 26.83 |
| 2014 | 23.00 | 26.37 |
| 2015 | 26.77 | 31.41 |
| 2016 | 26.18 | 27.64 |
| 2017 | 28.07 | 15.56 |
| 2018 | 22.62 | 18.09 |
| 2019 | 26.16 | 15.57 |
| 2020 | 26.21 | 25.00 |
| 2021 | 28.78 | 21.15 |