| Year | Value | | 2022 | 63.016849106391 | | 2021 | 75.327068638465 | | 2020 | 91.781227071594 | | 2019 | 85.668577536792 | | 2018 | 79.954630608086 | | 2017 | 85.715714144416 | | 2016 | 94.119941336761 | | 2015 | 79.584707889655 | | 2014 | 63.038099747155 | | 2013 | 56.94750817356 | | 2012 | 52.801459841135 | | 2011 | 53.482222098503 | | 2010 | 62.173807730171 | | 2009 | 77.874129881512 | | 2008 | 66.708136411628 | | 2007 | 75.559361989578 | | 2006 | 72.935458979924 | | 2005 | 64.56434965544 | | 2004 | 62.03597894591 | | 2003 | 66.767449190432 | | 2002 | 67.784177969468 | | 2001 | 63.182957393484 | | 2000 | 55.045942517712 | | 1999 | 65.651393230033 | | 1998 | 88.866863679426 | | 1997 | 87.885419617878 | | 1996 | 96.057742784381 | | 1995 | 98.990615744928 | | 1994 | 88.898406991814 |
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