| Year | In Zone | Out of Zone |
|---|---|---|
| 2007 | 62.78 | 27.69 |
| 2008 | 62.91 | 27.48 |
| 2009 | 60.56 | 30.21 |
| 2010 | 62.46 | 28.63 |
| 2011 | 62.34 | 30.86 |
| 2012 | 59.75 | 28.30 |
| 2013 | 65.58 | 31.15 |
| 2014 | 63.15 | 34.58 |
| 2015 | 67.27 | 33.21 |
| 2016 | 64.38 | 36.21 |
| 2017 | 61.75 | 34.04 |
| 2018 | 60.56 | 33.57 |
| 2019 | 62.00 | 34.06 |
| 2020 | 56.12 | 31.01 |
| 2021 | 63.14 | 34.97 |