| Year | Value | | 2022 | 1,850,218 | | 2021 | 1,852,050 | | 2020 | 1,861,652 | | 2019 | 1,878,292 | | 2018 | 1,895,871 | | 2017 | 1,908,724 | | 2016 | 1,908,066 | | 2015 | 1,851,851 | | 2014 | 1,743,798 | | 2013 | 1,628,087 | | 2012 | 1,502,149 | | 2011 | 1,367,585 | | 2010 | 1,280,020 | | 2009 | 1,250,676 | | 2008 | 1,230,292 | | 2007 | 1,219,323 | | 2006 | 1,231,480 | | 2005 | 1,250,358 | | 2004 | 1,258,640 | | 2003 | 1,262,837 | | 2002 | 1,271,391 | | 2001 | 1,283,002 | | 2000 | 1,295,230 | | 1999 | 1,300,368 | | 1998 | 1,300,026 | | 1997 | 1,296,114 | | 1996 | 1,285,600 | | 1995 | 1,273,929 | | 1994 | 1,262,131 | | 1993 | 1,252,536 | | 1992 | 1,245,413 | | 1991 | 1,244,662 | | 1990 | 1,243,582 | | 1989 | 1,205,105 | | 1988 | 1,113,073 | | 1987 | 1,000,676 | | 1986 | 869,018 | | 1985 | 739,419 | | 1984 | 705,939 | | 1983 | 770,187 | | 1982 | 858,503 | | 1981 | 956,777 | | 1980 | 1,044,480 | | 1979 | 1,084,983 | | 1978 | 1,085,573 | | 1977 | 1,080,346 | | 1976 | 1,080,188 | | 1975 | 1,082,558 | | 1974 | 1,078,897 | | 1973 | 1,074,519 | | 1972 | 1,073,624 | | 1971 | 1,073,781 | | 1970 | 1,066,349 | | 1969 | 1,054,670 | | 1968 | 1,036,454 | | 1967 | 1,006,420 | | 1966 | 968,997 | | 1965 | 922,543 | | 1964 | 870,223 | | 1963 | 826,373 | | 1962 | 788,881 | | 1961 | 754,662 | | 1960 | 736,260 |
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