Year | Value | 2021 | 103.32204 | 2020 | 74.66289 | 2019 | 153.56892 | 2018 | 175.8386 | 2017 | 158.95506 | 2016 | 144.211200649 | 2015 | 169.105 | 2014 | 171.97 | 2013 | 172.126 | 2012 | 188.06493 | 2011 | 196.184547 | 2010 | 201.985 | 2009 | 163.192 | 2008 | 140.846 | 2007 | 276.656 | 2006 | 258.557 | 2005 | 223.582 | 2004 | 253.845 | 2003 | 190.326 | 2002 | 197.317 | 2001 | 177.79 | 2000 | 204.022 | 1999 | 193.6000061035 | 1998 | 219.1999969482 | 1997 | 271 | 1996 | 296.6000061035 | 1995 | 265.200012207 | 1994 | 219.6000061035 | 1993 | 213.5 | 1992 | 175.5 | 1991 | 161.5 | 1990 | 222.8000030518 | 1989 | 206 | 1988 | 201.5 | 1987 | 186.3000030518 | 1986 | 164.6999969482 | 1985 | 151.8000030518 | 1984 | 139.8999938965 | 1983 | 119.3000030518 | 1982 | 129.5 | 1981 | 111.9000015259 | 1980 | 80.1999969482 | 1979 | 67 | 1978 | 51 | 1977 | 40.0999984741 | 1976 | 24.5 | 1975 | 13.1999998093 | 1974 | 7.1999998093 | 1973 | 5.4000000954 | 1972 | 4.6999998093 | 1971 | 2.5999999046 | 1970 | 1.2000000477 |
|