| Year | Value | | 2022 | 1,103,702 | | 2021 | 1,129,805 | | 2020 | 1,116,592 | | 2019 | 1,114,397 | | 2018 | 1,124,232 | | 2017 | 1,141,757 | | 2016 | 1,165,698 | | 2015 | 1,199,009 | | 2014 | 1,243,466 | | 2013 | 1,296,638 | | 2012 | 1,354,383 | | 2011 | 1,408,952 | | 2010 | 1,454,430 | | 2009 | 1,486,812 | | 2008 | 1,493,880 | | 2007 | 1,490,632 | | 2006 | 1,479,813 | | 2005 | 1,458,769 | | 2004 | 1,427,364 | | 2003 | 1,395,198 | | 2002 | 1,358,144 | | 2001 | 1,305,250 | | 2000 | 1,214,853 | | 1999 | 1,117,825 | | 1998 | 1,014,626 | | 1997 | 914,077 | | 1996 | 838,168 | | 1995 | 816,803 | | 1994 | 837,164 | | 1993 | 862,426 | | 1992 | 891,350 | | 1991 | 920,701 | | 1990 | 941,868 | | 1989 | 952,373 | | 1988 | 960,656 | | 1987 | 975,393 | | 1986 | 992,296 | | 1985 | 1,012,165 | | 1984 | 1,033,113 | | 1983 | 1,048,611 | | 1982 | 1,046,799 | | 1981 | 1,024,401 | | 1980 | 996,637 | | 1979 | 965,708 | | 1978 | 935,051 | | 1977 | 913,497 | | 1976 | 890,509 | | 1975 | 857,435 | | 1974 | 820,181 | | 1973 | 761,328 | | 1972 | 684,680 | | 1971 | 621,258 | | 1970 | 571,755 | | 1969 | 550,577 | | 1968 | 578,793 | | 1967 | 635,149 | | 1966 | 693,497 | | 1965 | 750,741 | | 1964 | 788,198 | | 1963 | 798,429 | | 1962 | 801,643 | | 1961 | 802,860 | | 1960 | 792,865 |
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