| Year | In Zone | Out of Zone |
|---|---|---|
| 2009 | 36.97 | 63.03 |
| 2010 | 42.00 | 58.00 |
| 2011 | 45.07 | 54.93 |
| 2012 | 47.92 | 52.08 |
| 2013 | 50.63 | 49.37 |
| 2014 | 47.65 | 52.35 |
| 2015 | 47.00 | 53.00 |
| 2016 | 46.80 | 53.20 |
| 2017 | 48.34 | 51.66 |
| 2018 | 46.35 | 53.65 |
| 2019 | 45.50 | 54.50 |
| 2020 | 39.13 | 60.87 |
| 2021 | 46.04 | 53.96 |
| 2022 | 45.44 | 54.56 |
| 2023 | 43.42 | 56.58 |