Year | Value | 2021 | 6,264.0709921342 | 2020 | 5,637.1570994086 | 2019 | 6,744.9893479749 | 2018 | 6,888.9457475424 | 2017 | 7,218.3081159869 | 2016 | 6,516.6884430536 | 2015 | 6,795.9670337124 | 2014 | 8,103.3448839305 | 2013 | 8,026.8867360878 | 2012 | 7,848.6021450489 | 2011 | 7,916.1826159674 | 2010 | 7,161.6472503016 | 2009 | 5,871.0303469991 | 2008 | 6,334.6523663199 | 2007 | 5,509.4208520099 | 2006 | 4,657.8286866377 | 2005 | 3,987.16548498 | 2004 | 3,345.6236477769 | 2003 | 2,957.5868043481 | 2002 | 2,975.7435873785 | 2001 | 3,421.4843101304 | 2000 | 3,554.0450083141 | 1999 | 3,285.4951542829 | 1998 | 3,791.5981158063 | 1997 | 3,842.9089691047 | 1996 | 3,563.0979835 | 1995 | 3,314.1268752398 | 1994 | 3,107.8756095057 | 1993 | 2,702.0945572201 | 1992 | 2,341.8043436186 | 1991 | 2,157.8568683881 | 1990 | 1,972.5585375321 | 1989 | 1,725.5771138764 | 1988 | 1,602.1882056257 | 1987 | 1,436.947000156 | 1986 | 1,398.7461744947 | 1985 | 1,396.3413566088 | 1984 | 1,442.8425656073 | 1983 | 1,472.8172971147 | 1982 | 1,771.4713592196 | 1981 | 1,981.1240933955 | 1980 | 1,741.1689033213 | 1979 | 1,490.6260130007 | 1978 | 1,315.5046299041 | 1977 | 1,199.7295861244 | 1976 | 1,113.8737585425 | 1975 | 1,030.8123458608 | 1974 | 1,012.218394304 | 1973 | 809.11903536526 | 1972 | 628.14333872143 | 1971 | 575.86625449733 | 1970 | 523.82619974491 |
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