Year | Value | 2021 | 7,097.475725113 | 2020 | 6,066.4236867785 | 2019 | 6,097.0962434146 | 2018 | 5,952.3578683133 | 2017 | 5,459.7570338962 | 2016 | 5,022.5453819623 | 2015 | 4,937.4756231973 | 2014 | 4,784.7342148408 | 2013 | 4,443.125297884 | 2012 | 4,106.9344422452 | 2011 | 3,629.2359700842 | 2010 | 3,089.2318501475 | 2009 | 2,630.6933361053 | 2008 | 2,395.0704219588 | 2007 | 1,957.429021796 | 2006 | 1,564.297819016 | 2005 | 1,312.1304103607 | 2004 | 1,156.1857462187 | 2003 | 1,020.6319901987 | 2002 | 911.93333216331 | 2001 | 823.51831437629 | 2000 | 787.13403756666 | 1999 | 732.12655216245 | 1998 | 675.41124445182 | 1997 | 758.23354837383 | 1996 | 742.15858743904 | 1995 | 655.37804269513 | 1994 | 543.61820798718 | 1993 | 454.36551788184 | 1992 | 419.70597364527 | 1991 | 378.03937781493 | 1990 | 345.72328318353 | 1989 | 331.64121408251 | 1988 | 304.73717760107 | 1987 | 266.69565258059 | 1986 | 285.50122248947 | 1985 | 292.55053250769 | 1984 | 268.88948001482 | 1983 | 249.21348018109 | 1982 | 240.44571757725 | 1981 | 227.52893513907 | 1980 | 210.55175975008 | 1979 | 187.72954617341 | 1978 | 176.58041146788 | 1977 | 185.94418698507 | 1976 | 164.5248874636 | 1975 | 167.47426397656 | 1974 | 153.29653490329 | 1973 | 142.15537636972 | 1972 | 116.68534987812 | 1971 | 106.14843977439 | 1970 | 101.72713781836 |
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