Year | Value | 2021 | 1,511.178861431 | 2020 | 1,351.631846449 | 2019 | 2,720.1018375799 | 2018 | 3,447.408904628 | 2017 | 3,116.1558330873 | 2016 | 2,567.8485074117 | 2015 | 2,499.7216840166 | 2014 | 2,688.2029044253 | 2013 | 2,727.8457965704 | 2012 | 2,545.9391301171 | 2011 | 2,640.973023507 | 2010 | 2,582.2999387732 | 2009 | 1,824.817 | 2008 | 1,976.919 | 2007 | 1,722.158 | 2006 | 1,793.273 | 2005 | 1,683.023 | 2004 | 1,610.556 | 2003 | 1,345.932 | 2002 | 1,273.614 | 2001 | 1,289.953 | 2000 | 1,375.516 | 1999 | 1,220.6000027656 | 1998 | 1,275.8999853135 | 1997 | 1,384.3000102043 | 1996 | 1,324.7000150679 | 1995 | 1,453.4000267983 | 1994 | 1,304.099983409 | 1993 | 957.8999891282 | 1992 | 1,042.6000013351 | 1991 | 1,098.7999916076 | 1990 | 1,266.9000253678 | 1989 | 1,280.7999877929 | 1988 | 1,209.9999761581 | 1987 | 1,119.4000020027 | 1986 | 999.8000158072 | 1985 | 963.800000906 | 1984 | 953.6000021994 | 1983 | 772.6000107825 | 1982 | 715.0999981464 | 1981 | 729.1999920906 | 1980 | 654.8999937177 | 1979 | 554.3000033497 | 1978 | 522.8000152856 | 1977 | 472.2999996692 | 1976 | 421.0000029355 | 1975 | 356.5000062958 | 1974 | 254.2999986409 | 1973 | 252.799998641 | 1972 | 187.9000061154 | 1971 | 176.2000029386 | 1970 | 175.7000013888 |
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