| Year | In Zone | Out of Zone |
|---|---|---|
| 2007 | 28.70 | 14.29 |
| 2008 | 25.77 | 20.78 |
| 2009 | 27.50 | 17.09 |
| 2010 | 25.24 | 18.80 |
| 2011 | 28.50 | 16.81 |
| 2012 | 25.79 | 13.51 |
| 2013 | 25.31 | 18.07 |
| 2014 | 26.16 | 16.78 |
| 2015 | 22.17 | 8.57 |
| 2016 | 22.15 | 14.67 |
| 2017 | 24.93 | 16.87 |
| 2018 | 25.63 | 19.44 |
| 2019 | 24.69 | 16.08 |
| 2020 | 28.03 | 12.73 |
| 2021 | 31.37 | 15.65 |