| Year | Value | | 2021 | 1,785,279.48 | | 2020 | 1,785,277.59 | | 2019 | 1,790,449.469 | | 2018 | 1,791,155.64 | | 2017 | 1,792,356.04 | | 2016 | 1,795,780 | | 2015 | 1,796,750 | | 2014 | 1,797,280 | | 2013 | 1,796,980 | | 2012 | 1,796,420 | | 2011 | 1,796,700 | | 2010 | 1,795,730 | | 2009 | 1,800,680 | | 2008 | 1,797,570 | | 2007 | 1,796,200 | | 2006 | 1,799,060 | | 2005 | 1,801,260 | | 2004 | 1,803,750 | | 2003 | 1,802,490 | | 2002 | 1,805,600 | | 2001 | 1,804,870 | | 2000 | 1,809,750 | | 1999 | 1,810,210 | | 1998 | 1,808,740 | | 1997 | 1,809,810 | | 1996 | 1,805,890 | | 1995 | 1,809,450 | | 1994 | 1,812,910 | | 1993 | 1,813,820 | | 1992 | 1,813,050 | | 1991 | 1,815,860 | | 1990 | 1,814,130 | | 1989 | 1,815,010 | | 1988 | 1,810,910 | | 1987 | 1,815,430 | | 1986 | 1,811,920 | | 1985 | 1,813,400 | | 1984 | 1,814,520 | | 1983 | 1,804,620 | | 1982 | 1,807,710 | | 1981 | 1,804,010 | | 1980 | 1,802,720 | | 1979 | 1,805,800 | | 1978 | 1,805,920 | | 1977 | 1,795,910 | | 1976 | 1,796,490 | | 1975 | 1,796,940 | | 1974 | 1,792,820 | | 1973 | 1,787,510 | | 1972 | 1,779,460 | | 1971 | 1,778,170 | | 1970 | 1,780,520 | | 1969 | 1,777,920 | | 1968 | 1,783,640 | | 1967 | 1,778,070 | | 1966 | 1,775,300 | | 1965 | 1,771,770 | | 1964 | 1,767,120 | | 1963 | 1,761,540 | | 1962 | 1,764,820 | | 1961 | 1,749,520 |
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