| Year | Right Handed | Left Handed |
|---|---|---|
| 2007 | 25.19 | 15.38 |
| 2008 | 18.91 | 18.61 |
| 2009 | 23.05 | 24.43 |
| 2010 | 21.77 | 21.26 |
| 2011 | 19.40 | 15.76 |
| 2012 | 18.12 | 20.35 |
| 2013 | 25.09 | 22.74 |
| 2014 | 24.50 | 25.14 |
| 2015 | 21.39 | 21.15 |
| 2016 | 22.51 | 23.95 |
| 2017 | 26.42 | 27.82 |
| 2018 | 24.45 | 22.02 |
| 2019 | 24.64 | 26.56 |