Year | Value | 2021 | 88.267613 | 2020 | 81.12423 | 2019 | 280.283172 | 2018 | 311.720805 | 2017 | 305.102 | 2016 | 254.181413504 | 2015 | 243.7725665 | 2014 | 261.60894 | 2013 | 268.71076789757 | 2012 | 180.12046007214 | 2011 | 192.20126 | 2010 | 193.30125383747 | 2009 | 111.663 | 2008 | 131.685 | 2007 | 132.675 | 2006 | 124.583 | 2005 | 132.558 | 2004 | 123.637 | 2003 | 111.811 | 2002 | 76.419 | 2001 | 124.402 | 2000 | 296.646 | 1999 | 241 | 1998 | 251 | 1997 | 220.3000030518 | 1996 | 176.6000061035 | 1995 | 177 | 1994 | 206.1999969482 | 1993 | 232 | 1992 | 206.6999969482 | 1991 | 201.8999938965 | 1990 | 213.6000061035 | 1989 | 201.1999969482 | 1988 | 193.6000061035 | 1987 | 197.5 | 1986 | 192 | 1985 | 187.1000061035 | 1984 | 179.8000030518 | 1983 | 174.3000030518 | 1982 | 170.6999969482 | 1981 | 195.5 | 1980 | 195.3999938965 | 1979 | 136.8000030518 | 1978 | 120.5 | 1977 | 119.8000030518 | 1976 | 96.3000030518 | 1975 | 74.5999984741 | 1974 | 98.1999969482 | 1973 | 85.9000015259 | 1972 | 79.6999969482 | 1971 | 57.4000015259 | 1970 | 47.9000015259 |
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