| Year | Value | | 2021 | 1,736,370 | | 2020 | 1,736,373.7 | | 2019 | 1,736,164.35 | | 2018 | 1,735,955 | | 2017 | 1,735,961 | | 2016 | 1,736,270 | | 2015 | 1,736,370 | | 2014 | 1,735,753 | | 2013 | 1,732,950 | | 2012 | 1,733,450 | | 2011 | 1,733,880 | | 2010 | 1,734,060 | | 2009 | 1,734,350 | | 2008 | 1,735,720 | | 2007 | 1,736,750 | | 2006 | 1,736,740 | | 2005 | 1,737,170 | | 2004 | 1,737,090 | | 2003 | 1,737,980 | | 2002 | 1,737,930 | | 2001 | 1,737,910 | | 2000 | 1,737,850 | | 1999 | 1,737,850 | | 1998 | 1,667,850 | | 1997 | 1,587,850 | | 1996 | 1,517,850 | | 1995 | 1,447,850 | | 1994 | 1,377,850 | | 1993 | 1,307,850 | | 1992 | 1,237,460 | | 1991 | 1,236,720 | | 1990 | 1,234,810 | | 1989 | 1,182,900 | | 1988 | 1,131,300 | | 1987 | 1,079,800 | | 1986 | 1,027,800 | | 1985 | 976,250 | | 1984 | 924,230 | | 1983 | 872,700 | | 1982 | 870,680 | | 1981 | 870,130 | | 1980 | 869,620 | | 1979 | 869,090 | | 1978 | 868,560 | | 1977 | 868,040 | | 1976 | 867,500 | | 1975 | 866,840 | | 1974 | 866,400 | | 1973 | 865,700 | | 1972 | 865,170 | | 1971 | 864,670 | | 1970 | 864,200 | | 1969 | 863,750 | | 1968 | 863,400 | | 1967 | 863,040 | | 1966 | 862,840 | | 1965 | 862,620 | | 1964 | 862,410 | | 1963 | 862,120 | | 1962 | 861,900 | | 1961 | 861,700 |
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