| Year | In Zone | Out of Zone |
|---|---|---|
| 2007 | -0.12 | -0.50 |
| 2008 | -0.06 | -0.73 |
| 2009 | -0.09 | -0.67 |
| 2010 | -0.11 | -0.68 |
| 2012 | -0.10 | -0.78 |
| 2013 | -0.08 | -0.55 |
| 2014 | -0.07 | -0.62 |
| 2015 | -0.08 | -0.36 |
| 2016 | -0.05 | -0.40 |
| 2017 | -0.07 | -0.44 |
| 2018 | -0.05 | -0.42 |
| 2019 | -0.13 | -0.71 |
| 2020 | -0.12 | -0.82 |
| 2021 | -0.05 | -0.53 |