Year | Value | 2021 | 962.569234 | 2020 | 732.796479 | 2019 | 1,072.52473 | 2018 | 1,062.987599 | 2017 | 928.83550977 | 2016 | 760.849242 | 2015 | 714.003211 | 2014 | 617.529552725 | 2013 | 677.139988908 | 2012 | 763.88626056112 | 2011 | 774.6035196311 | 2010 | 908.94817075601 | 2009 | 714.057 | 2008 | 482.785 | 2007 | 482.34 | 2006 | 456.958 | 2005 | 390.425 | 2004 | 394.925 | 2003 | 350.089 | 2002 | 341.598 | 2001 | 295.884 | 2000 | 309.858 | 1999 | 317 | 1998 | 284.799987793 | 1997 | 227.1999969482 | 1996 | 168.8000030518 | 1995 | 155.8999938965 | 1994 | 225.1999969482 | 1993 | 150.8999938965 | 1992 | 158.8000030518 | 1991 | 162.6999969482 | 1990 | 143.1999969482 | 1989 | 114.4000015259 | 1988 | 121.5 | 1987 | 169 | 1986 | 155.1000061035 | 1985 | 170 | 1984 | 145.8000030518 | 1983 | 109.1999969482 | 1982 | 110.5999984741 | 1981 | 137 | 1980 | 131.5 | 1979 | 121.6999969482 | 1978 | 106.0999984741 | 1977 | 92.3000030518 | 1976 | 87.0999984741 | 1975 | 76.1999969482 | 1974 | 67.5 | 1973 | 67.5999984741 | 1972 | 54.2999992371 | 1971 | 42.4000015259 | 1970 | 36.7000007629 |
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