| Year | Value | | 2022 | 1,342,823 | | 2021 | 1,320,496 | | 2020 | 1,311,475 | | 2019 | 1,291,985 | | 2018 | 1,265,293 | | 2017 | 1,238,987 | | 2016 | 1,217,120 | | 2015 | 1,197,806 | | 2014 | 1,183,807 | | 2013 | 1,167,341 | | 2012 | 1,152,432 | | 2011 | 1,142,677 | | 2010 | 1,141,013 | | 2009 | 1,141,433 | | 2008 | 1,142,868 | | 2007 | 1,145,974 | | 2006 | 1,152,758 | | 2005 | 1,167,512 | | 2004 | 1,196,640 | | 2003 | 1,235,875 | | 2002 | 1,275,944 | | 2001 | 1,307,880 | | 2000 | 1,329,342 | | 1999 | 1,336,834 | | 1998 | 1,332,312 | | 1997 | 1,321,605 | | 1996 | 1,305,257 | | 1995 | 1,284,403 | | 1994 | 1,262,155 | | 1993 | 1,237,206 | | 1992 | 1,207,665 | | 1991 | 1,175,767 | | 1990 | 1,143,831 | | 1989 | 1,107,312 | | 1988 | 1,069,144 | | 1987 | 1,043,996 | | 1986 | 1,022,135 | | 1985 | 995,513 | | 1984 | 960,773 | | 1983 | 921,581 | | 1982 | 875,229 | | 1981 | 825,291 | | 1980 | 785,886 | | 1979 | 754,002 | | 1978 | 723,008 | | 1977 | 692,203 | | 1976 | 666,536 | | 1975 | 648,240 | | 1974 | 634,682 | | 1973 | 626,107 | | 1972 | 623,893 | | 1971 | 625,597 | | 1970 | 618,327 | | 1969 | 621,678 | | 1968 | 626,129 | | 1967 | 630,934 | | 1966 | 634,807 | | 1965 | 636,932 | | 1964 | 639,119 | | 1963 | 641,299 | | 1962 | 642,148 | | 1961 | 638,371 | | 1960 | 628,196 |
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