Year | Value | 2021 | 87.396361 | 2020 | 62.063 | 2019 | 213.641 | 2018 | 233.717 | 2017 | 196.047 | 2016 | 157.239 | 2015 | 168.773 | 2014 | 192.99 | 2013 | 171.534 | 2012 | 172.006 | 2011 | 178.132 | 2010 | 179.321 | 2009 | 153.031 | 2008 | 191.185 | 2007 | 202.814 | 2006 | 194.842 | 2005 | 211.715 | 2004 | 219.624 | 2003 | 186.807 | 2002 | 185.571 | 2001 | 174.226 | 2000 | 182.982 | 1999 | 176.6999969482 | 1998 | 160.8000030518 | 1997 | 164.3999938965 | 1996 | 128.5 | 1995 | 116.4000015259 | 1994 | 88.3000030518 | 1993 | 78.8000030518 | 1992 | 74.6999969482 | 1991 | 66.5 | 1990 | 64.0999984741 | 1989 | 55.0999984741 | 1988 | 58.0999984741 | 1987 | 28.7000007629 | 1986 | 17 | 1985 | 15.5 | 1984 | 7.8000001907 | 1983 | 3.4000000954 | 1982 | 2.9000000954 | 1981 | 1.8999999762 | 1980 | 2.2999999523 | 1979 | 2.7000000477 | 1978 | 2.5 | 1977 | 0.200000003 | 1976 | 0.1000000015 | 1975 | 0.1000000015 | 1974 | 0.1000000015 | 1973 | 0.1000000015 | 1972 | 0.1000000015 |
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