| Year | Right Handed | Left Handed |
|---|---|---|
| 2007 | 6.15 | 10.69 |
| 2008 | 6.83 | 7.63 |
| 2009 | 10.21 | 12.77 |
| 2010 | 6.85 | 8.80 |
| 2011 | 7.15 | 9.88 |
| 2012 | 6.07 | 12.70 |
| 2013 | 8.41 | 11.20 |
| 2014 | 5.17 | 8.78 |
| 2015 | 9.46 | 10.64 |
| 2016 | 12.50 | 14.95 |
| 2017 | 9.00 | 11.41 |
| 2018 | 13.79 | 16.65 |
| 2019 | 13.54 | 17.76 |
| 2020 | 0.00 | 3.23 |
| 2022 | 9.86 | 10.41 |
| 2023 | 9.35 | 10.46 |