| Year | Value | | 2021 | 1,126,312 | | 2020 | 1,126,995.469 | | 2019 | 1,133,735 | | 2018 | 1,134,330 | | 2017 | 1,134,671.9 | | 2016 | 1,135,607.9 | | 2015 | 1,136,644.1 | | 2014 | 1,136,820 | | 2013 | 1,140,302.8 | | 2012 | 1,140,679.033 | | 2011 | 1,141,878 | | 2010 | 1,142,100.3 | | 2009 | 1,142,700.562 | | 2008 | 1,145,070 | | 2007 | 1,146,800 | | 2006 | 1,147,273 | | 2005 | 1,139,278 | | 2004 | 1,141,527 | | 2003 | 1,142,714 | | 2002 | 1,301,180 | | 2001 | 1,301,295 | | 2000 | 1,304,700 | | 1999 | 1,302,820 | | 1998 | 1,291,320 | | 1997 | 1,288,910 | | 1996 | 1,184,690 | | 1995 | 1,184,690 | | 1994 | 1,184,690 | | 1993 | 1,191,240 | | 1992 | 1,235,900 | | 1991 | 1,261,300 | | 1990 | 1,256,560 | | 1989 | 1,255,320 | | 1988 | 1,252,340 | | 1987 | 1,248,890 | | 1986 | 1,245,310 | | 1985 | 1,245,870 | | 1984 | 1,246,070 | | 1983 | 1,249,760 | | 1982 | 1,245,250 | | 1981 | 1,245,190 | | 1980 | 1,245,870 | | 1979 | 1,247,130 | | 1978 | 1,259,170 | | 1977 | 1,259,750 | | 1976 | 1,255,520 | | 1975 | 1,406,830 | | 1974 | 1,406,830 | | 1973 | 1,406,830 | | 1972 | 1,406,830 | | 1971 | 1,406,830 | | 1970 | 1,406,840 | | 1969 | 1,406,520 | | 1968 | 1,406,830 | | 1967 | 1,406,830 | | 1966 | 1,406,830 | | 1965 | 1,406,830 | | 1964 | 1,406,810 | | 1963 | 1,406,830 | | 1962 | 1,406,830 | | 1961 | 1,406,830 |
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