| Year | Value | | 2022 | 4,058,851 | | 2021 | 4,009,742 | | 2020 | 3,974,712 | | 2019 | 3,952,142 | | 2018 | 3,943,440 | | 2017 | 3,942,440 | | 2016 | 3,940,496 | | 2015 | 3,931,500 | | 2014 | 3,916,086 | | 2013 | 3,896,100 | | 2012 | 3,867,432 | | 2011 | 3,829,788 | | 2010 | 3,788,085 | | 2009 | 3,739,200 | | 2008 | 3,681,883 | | 2007 | 3,610,388 | | 2006 | 3,513,424 | | 2005 | 3,393,297 | | 2004 | 3,259,370 | | 2003 | 3,113,888 | | 2002 | 2,965,327 | | 2001 | 2,838,510 | | 2000 | 2,750,255 | | 1999 | 2,704,585 | | 1998 | 2,687,282 | | 1997 | 2,685,416 | | 1996 | 2,657,027 | | 1995 | 2,621,960 | | 1994 | 2,611,156 | | 1993 | 2,588,446 | | 1992 | 2,558,439 | | 1991 | 2,539,459 | | 1990 | 2,489,071 | | 1989 | 2,403,473 | | 1988 | 2,303,366 | | 1987 | 2,189,884 | | 1986 | 2,075,048 | | 1985 | 1,971,261 | | 1984 | 1,878,156 | | 1983 | 1,760,854 | | 1982 | 1,613,128 | | 1981 | 1,479,691 | | 1980 | 1,359,024 | | 1979 | 1,228,451 | | 1978 | 1,136,849 | | 1977 | 1,086,273 | | 1976 | 1,051,274 | | 1975 | 1,027,172 | | 1974 | 1,015,411 | | 1973 | 1,012,965 | | 1972 | 1,016,919 | | 1971 | 1,024,654 | | 1970 | 1,037,162 | | 1969 | 1,057,612 | | 1968 | 1,084,684 | | 1967 | 1,111,044 | | 1966 | 1,125,460 | | 1965 | 1,125,175 | | 1964 | 1,111,308 | | 1963 | 1,083,250 | | 1962 | 1,045,783 | | 1961 | 1,012,040 | | 1960 | 989,111 |
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