| Year | In Zone | Out of Zone |
|---|---|---|
| 2007 | 28.21 | 52.17 |
| 2008 | 38.74 | 55.94 |
| 2009 | 35.01 | 56.62 |
| 2010 | 41.36 | 59.64 |
| 2011 | 41.07 | 64.89 |
| 2012 | 46.33 | 60.48 |
| 2013 | 43.83 | 57.41 |
| 2014 | 43.80 | 61.20 |
| 2015 | 44.44 | 57.37 |
| 2016 | 43.18 | 52.78 |
| 2017 | 40.57 | 58.92 |
| 2018 | 41.86 | 54.70 |
| 2019 | 37.67 | 59.09 |
| 2020 | 37.13 | 56.16 |
| 2021 | 37.36 | 56.25 |