Year | Value | 2022 | 156.80570371963 | 2021 | 143.16852086882 | 2020 | 138.24003571183 | 2019 | 135.01889679773 | 2018 | 131.98316183125 | 2017 | 128.0552464735 | 2016 | 125.2321671351 | 2015 | 123.4158432648 | 2014 | 119.52561107137 | 2013 | 115.44534702059 | 2012 | 110.86751455058 | 2011 | 105.68631959576 | 2010 | 100 | 2009 | 94.087945487524 | 2008 | 92.043727633707 | 2007 | 85.744399235256 | 2006 | 79.945095347811 | 2005 | 75.248793125006 | 2004 | 67.111132898671 | 2003 | 60.806902299132 | 2002 | 57.827677319446 | 2001 | 55.659352979102 | 2000 | 53.153233131908 | 1999 | 51.478100999127 | 1998 | 49.46289551394 | 1997 | 45.78555255646 | 1996 | 43.761434384488 | 1995 | 41.804440502975 | 1994 | 39.236862358761 | 1993 | 37.681281605414 | 1992 | 34.452924048943 | 1991 | 31.280511627204 | 1990 | 29.613657555592 | 1989 | 27.780107758094 | 1988 | 24.598820502607 | 1987 | 24.278428135333 | 1986 | 22.448360863567 | 1985 | 20.895154387435 |
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