Year | |
---|---|
2001 | 84.9 |
2002 | 84.3 |
2003 | 83.1 |
2004 | 81.4 |
2005 | 79.7 |
2006 | 82.1 |
2007 | 80.1 |
2008 | 80.8 |
2009 | 83.0 |
2010 | 81.7 |
2011 | 83.8 |
2012 | 83.6 |
2013 | 82.9 |
2014 | 82.3 |
2015 | 81.4 |
2016 | 83.5 |
2017 | 83.6 |
2018 | 85.5 |
2019 | 85.8 |
2020 | 85.3 |
2021 | 86.9 |