Year | Value | 2021 | 427,180 | 2020 | 440,522.78 | 2019 | 443,540 | 2018 | 440,480 | 2017 | 434,870 | 2016 | 447,688 | 2015 | 447,844 | 2014 | 448,000 | 2013 | 448,156 | 2012 | 426,176 | 2011 | 417,210 | 2010 | 425,030 | 2009 | 425,400 | 2008 | 426,140 | 2007 | 424,360 | 2006 | 421,740 | 2005 | 425,570 | 2004 | 423,910 | 2003 | 420,510 | 2002 | 416,070 | 2001 | 417,450 | 2000 | 448,590 | 1999 | 456,680 | 1998 | 455,430 | 1997 | 450,820 | 1996 | 449,200 | 1995 | 445,130 | 1994 | 448,650 | 1993 | 449,030 | 1992 | 449,830 | 1991 | 448,840 | 1990 | 450,830 | 1989 | 451,830 | 1988 | 452,830 | 1987 | 454,010 | 1986 | 453,950 | 1985 | 453,750 | 1984 | 453,560 | 1983 | 453,390 | 1982 | 453,230 | 1981 | 453,080 | 1980 | 452,920 | 1979 | 452,770 | 1978 | 452,610 | 1977 | 453,150 | 1976 | 451,300 | 1975 | 451,150 | 1974 | 450,990 | 1973 | 450,840 | 1972 | 450,680 | 1971 | 450,540 | 1970 | 430,300 | 1969 | 430,300 | 1968 | 430,250 | 1967 | 430,230 | 1966 | 430,200 | 1965 | 430,080 | 1964 | 419,950 | 1963 | 414,930 | 1962 | 409,720 | 1961 | 399,700 |
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