| Year | Value | | 2022 | 5,348,225 | | 2021 | 5,196,307 | | 2020 | 5,050,084 | | 2019 | 4,923,810 | | 2018 | 4,826,352 | | 2017 | 4,749,203 | | 2016 | 4,671,832 | | 2015 | 4,591,031 | | 2014 | 4,512,128 | | 2013 | 4,425,833 | | 2012 | 4,325,593 | | 2011 | 4,219,835 | | 2010 | 4,114,086 | | 2009 | 4,005,416 | | 2008 | 3,909,196 | | 2007 | 3,816,990 | | 2006 | 3,731,753 | | 2005 | 3,658,985 | | 2004 | 3,583,251 | | 2003 | 3,508,683 | | 2002 | 3,435,710 | | 2001 | 3,360,502 | | 2000 | 3,285,038 | | 1999 | 3,210,855 | | 1998 | 3,135,028 | | 1997 | 3,053,124 | | 1996 | 2,963,190 | | 1995 | 2,862,491 | | 1994 | 2,742,495 | | 1993 | 2,616,536 | | 1992 | 2,514,922 | | 1991 | 2,436,679 | | 1990 | 2,372,325 | | 1989 | 2,329,599 | | 1988 | 2,298,883 | | 1987 | 2,254,013 | | 1986 | 2,194,300 | | 1985 | 2,133,131 | | 1984 | 2,074,776 | | 1983 | 2,021,211 | | 1982 | 1,971,583 | | 1981 | 1,926,161 | | 1980 | 1,886,045 | | 1979 | 1,850,442 | | 1978 | 1,817,093 | | 1977 | 1,783,613 | | 1976 | 1,753,608 | | 1975 | 1,726,111 | | 1974 | 1,694,472 | | 1973 | 1,657,701 | | 1972 | 1,619,286 | | 1971 | 1,611,966 | | 1970 | 1,606,163 | | 1969 | 1,570,505 | | 1968 | 1,534,271 | | 1967 | 1,498,589 | | 1966 | 1,463,639 | | 1965 | 1,428,556 | | 1964 | 1,393,833 | | 1963 | 1,360,361 | | 1962 | 1,327,876 | | 1961 | 1,297,004 | | 1960 | 1,268,345 |
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