Year | |
---|---|
1997 | 79.9 |
1998 | 87.7 |
1999 | 54.0 |
2000 | 62.3 |
2001 | 64.1 |
2002 | 60.8 |
2003 | 62.3 |
2004 | 62.1 |
2005 | 54.6 |
2006 | 51.3 |
2007 | 53.7 |
2008 | 53.7 |
2009 | 52.7 |
2010 | 52.3 |
2011 | 52.2 |
2012 | 53.1 |
2013 | 55.2 |
2014 | 59.6 |
2015 | 59.7 |
2016 | 59.5 |
2017 | 60.3 |
2018 | 64.0 |
2019 | 65.2 |
2020 | 66.5 |
2021 | 72.9 |
2022 | 73.4 |
2023 | 71.8 |
2024 | 71.1 |