| Year | In Zone | Out of Zone |
|---|---|---|
| 2008 | 15.21 | 11.62 |
| 2009 | 12.18 | 9.84 |
| 2010 | 10.02 | 10.93 |
| 2011 | 11.33 | 10.38 |
| 2012 | 14.88 | 12.69 |
| 2013 | 14.50 | 12.39 |
| 2014 | 13.69 | 12.59 |
| 2015 | 16.38 | 17.64 |
| 2016 | 16.16 | 16.75 |
| 2017 | 15.58 | 17.84 |
| 2018 | 16.51 | 18.19 |
| 2019 | 16.81 | 17.90 |
| 2020 | 18.08 | 14.81 |
| 2021 | 17.23 | 17.63 |
| 2022 | 13.36 | 18.02 |
| 2023 | 14.04 | 15.17 |
| 2024 | 16.67 | 25.00 |