| Year | Value | | 2022 | 1,658,765 | | 2021 | 1,636,207 | | 2020 | 1,630,534 | | 2019 | 1,634,931 | | 2018 | 1,651,844 | | 2017 | 1,693,803 | | 2016 | 1,737,813 | | 2015 | 1,745,508 | | 2014 | 1,722,684 | | 2013 | 1,679,777 | | 2012 | 1,601,182 | | 2011 | 1,503,185 | | 2010 | 1,427,002 | | 2009 | 1,375,507 | | 2008 | 1,335,804 | | 2007 | 1,311,109 | | 2006 | 1,303,857 | | 2005 | 1,303,053 | | 2004 | 1,293,659 | | 2003 | 1,273,979 | | 2002 | 1,253,707 | | 2001 | 1,240,891 | | 2000 | 1,235,179 | | 1999 | 1,234,356 | | 1998 | 1,238,260 | | 1997 | 1,242,756 | | 1996 | 1,245,776 | | 1995 | 1,249,047 | | 1994 | 1,253,283 | | 1993 | 1,259,938 | | 1992 | 1,272,587 | | 1991 | 1,293,129 | | 1990 | 1,319,590 | | 1989 | 1,331,187 | | 1988 | 1,304,875 | | 1987 | 1,252,606 | | 1986 | 1,197,005 | | 1985 | 1,147,327 | | 1984 | 1,126,534 | | 1983 | 1,156,308 | | 1982 | 1,211,473 | | 1981 | 1,253,994 | | 1980 | 1,275,323 | | 1979 | 1,281,858 | | 1978 | 1,281,616 | | 1977 | 1,279,623 | | 1976 | 1,276,690 | | 1975 | 1,270,465 | | 1974 | 1,259,785 | | 1973 | 1,245,405 | | 1972 | 1,227,730 | | 1971 | 1,207,295 | | 1970 | 1,184,121 | | 1969 | 1,157,970 | | 1968 | 1,125,514 | | 1967 | 1,085,889 | | 1966 | 1,045,046 | | 1965 | 1,007,136 | | 1964 | 973,931 | | 1963 | 951,324 | | 1962 | 937,897 | | 1961 | 927,566 | | 1960 | 917,596 |
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