| Year | Value | | 2022 | 3,221,789 | | 2021 | 3,262,693 | | 2020 | 3,281,557 | | 2019 | 3,193,694 | | 2018 | 3,193,354 | | 2017 | 3,325,286 | | 2016 | 3,406,672 | | 2015 | 3,473,232 | | 2014 | 3,534,874 | | 2013 | 3,593,077 | | 2012 | 3,634,488 | | 2011 | 3,678,732 | | 2010 | 3,721,525 | | 2009 | 3,740,410 | | 2008 | 3,760,866 | | 2007 | 3,782,995 | | 2006 | 3,805,214 | | 2005 | 3,821,362 | | 2004 | 3,826,878 | | 2003 | 3,826,095 | | 2002 | 3,823,701 | | 2001 | 3,818,774 | | 2000 | 3,810,605 | | 1999 | 3,800,081 | | 1998 | 3,781,101 | | 1997 | 3,759,430 | | 1996 | 3,724,655 | | 1995 | 3,683,103 | | 1994 | 3,649,237 | | 1993 | 3,615,497 | | 1992 | 3,585,176 | | 1991 | 3,562,110 | | 1990 | 3,537,000 | | 1989 | 3,505,650 | | 1988 | 3,473,898 | | 1987 | 3,441,850 | | 1986 | 3,409,554 | | 1985 | 3,377,000 | | 1984 | 3,344,190 | | 1983 | 3,311,138 | | 1982 | 3,277,453 | | 1981 | 3,242,552 | | 1980 | 3,206,000 | | 1979 | 3,168,088 | | 1978 | 3,129,421 | | 1977 | 3,088,690 | | 1976 | 3,043,854 | | 1975 | 2,994,000 | | 1974 | 2,939,299 | | 1973 | 2,878,786 | | 1972 | 2,817,256 | | 1971 | 2,762,190 | | 1970 | 2,718,000 | | 1969 | 2,684,150 | | 1968 | 2,662,064 | | 1967 | 2,645,674 | | 1966 | 2,624,995 | | 1965 | 2,594,000 | | 1964 | 2,554,066 | | 1963 | 2,504,530 | | 1962 | 2,450,322 | | 1961 | 2,399,722 | | 1960 | 2,358,000 |
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