| Year | In Zone | Out of Zone |
|---|---|---|
| 2008 | 37.50 | 58.33 |
| 2009 | 37.19 | 60.78 |
| 2010 | 37.78 | 53.73 |
| 2011 | 34.62 | 56.36 |
| 2012 | 29.57 | 54.48 |
| 2013 | 28.81 | 63.58 |
| 2014 | 34.28 | 48.53 |
| 2015 | 36.47 | 40.98 |
| 2016 | 31.25 | 42.50 |
| 2017 | 33.05 | 55.67 |
| 2018 | 31.52 | 46.30 |
| 2019 | 36.59 | 51.67 |
| 2020 | 28.47 | 46.67 |
| 2021 | 31.47 | 33.33 |