| Year | In Zone | Out of Zone |
|---|---|---|
| 2008 | 47.39 | 52.61 |
| 2009 | 46.77 | 53.23 |
| 2010 | 47.37 | 52.63 |
| 2011 | 44.75 | 55.25 |
| 2012 | 45.76 | 54.24 |
| 2013 | 42.50 | 57.50 |
| 2014 | 48.39 | 51.61 |
| 2015 | 45.38 | 54.62 |
| 2016 | 46.86 | 53.14 |
| 2017 | 42.97 | 57.03 |
| 2018 | 46.97 | 53.03 |
| 2019 | 45.28 | 54.72 |
| 2020 | 41.96 | 58.04 |
| 2021 | 47.40 | 52.60 |
| 2022 | 47.38 | 52.62 |