| Year | Value | | 2022 | 1,299,396 | | 2021 | 1,263,947 | | 2020 | 1,245,672 | | 2019 | 1,224,670 | | 2018 | 1,204,880 | | 2017 | 1,190,505 | | 2016 | 1,183,894 | | 2015 | 1,182,223 | | 2014 | 1,186,605 | | 2013 | 1,188,809 | | 2012 | 1,190,632 | | 2011 | 1,192,331 | | 2010 | 1,203,356 | | 2009 | 1,229,027 | | 2008 | 1,266,891 | | 2007 | 1,307,940 | | 2006 | 1,343,864 | | 2005 | 1,364,165 | | 2004 | 1,366,502 | | 2003 | 1,356,302 | | 2002 | 1,342,665 | | 2001 | 1,324,586 | | 2000 | 1,302,992 | | 1999 | 1,280,974 | | 1998 | 1,257,128 | | 1997 | 1,227,004 | | 1996 | 1,192,000 | | 1995 | 1,157,435 | | 1994 | 1,124,499 | | 1993 | 1,095,560 | | 1992 | 1,075,528 | | 1991 | 1,055,233 | | 1990 | 1,021,444 | | 1989 | 975,704 | | 1988 | 926,140 | | 1987 | 877,338 | | 1986 | 826,547 | | 1985 | 786,621 | | 1984 | 755,028 | | 1983 | 724,557 | | 1982 | 696,179 | | 1981 | 672,040 | | 1980 | 653,041 | | 1979 | 637,799 | | 1978 | 629,721 | | 1977 | 628,244 | | 1976 | 629,122 | | 1975 | 629,767 | | 1974 | 630,185 | | 1973 | 630,071 | | 1972 | 629,412 | | 1971 | 631,002 | | 1970 | 627,070 | | 1969 | 634,849 | | 1968 | 639,727 | | 1967 | 638,781 | | 1966 | 632,089 | | 1965 | 621,252 | | 1964 | 607,253 | | 1963 | 590,600 | | 1962 | 574,527 | | 1961 | 561,025 | | 1960 | 550,034 |
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