| Year | Value | | 2022 | 1,485,533 | | 2021 | 1,427,952 | | 2020 | 1,431,709 | | 2019 | 1,483,675 | | 2018 | 1,535,110 | | 2017 | 1,559,587 | | 2016 | 1,564,811 | | 2015 | 1,548,756 | | 2014 | 1,517,685 | | 2013 | 1,472,213 | | 2012 | 1,435,535 | | 2011 | 1,429,281 | | 2010 | 1,436,121 | | 2009 | 1,436,914 | | 2008 | 1,431,381 | | 2007 | 1,428,603 | | 2006 | 1,421,771 | | 2005 | 1,401,710 | | 2004 | 1,383,225 | | 2003 | 1,376,680 | | 2002 | 1,370,873 | | 2001 | 1,364,825 | | 2000 | 1,358,899 | | 1999 | 1,309,992 | | 1998 | 1,198,266 | | 1997 | 1,066,118 | | 1996 | 951,395 | | 1995 | 874,436 | | 1994 | 873,392 | | 1993 | 950,512 | | 1992 | 1,048,659 | | 1991 | 1,117,969 | | 1990 | 1,139,533 | | 1989 | 1,129,086 | | 1988 | 1,105,585 | | 1987 | 1,071,553 | | 1986 | 1,035,758 | | 1985 | 1,000,654 | | 1984 | 963,876 | | 1983 | 926,794 | | 1982 | 894,665 | | 1981 | 873,087 | | 1980 | 860,663 | | 1979 | 846,899 | | 1978 | 826,032 | | 1977 | 805,838 | | 1976 | 782,877 | | 1975 | 756,979 | | 1974 | 733,372 | | 1973 | 716,848 | | 1972 | 700,840 | | 1971 | 685,511 | | 1970 | 673,312 | | 1969 | 662,328 | | 1968 | 652,333 | | 1967 | 641,575 | | 1966 | 627,750 | | 1965 | 613,637 | | 1964 | 599,063 | | 1963 | 581,312 | | 1962 | 564,549 | | 1961 | 548,300 | | 1960 | 528,554 |
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