| Year | Value | | 2022 | 11,589,803 | | 2021 | 11,250,012 | | 2020 | 10,903,979 | | 2019 | 10,555,953 | | 2018 | 10,202,811 | | 2017 | 9,848,924 | | 2016 | 9,521,038 | | 2015 | 9,228,248 | | 2014 | 8,961,941 | | 2013 | 8,717,515 | | 2012 | 8,482,075 | | 2011 | 8,242,905 | | 2010 | 8,006,982 | | 2009 | 7,786,268 | | 2008 | 7,581,811 | | 2007 | 7,393,191 | | 2006 | 7,226,850 | | 2005 | 7,083,946 | | 2004 | 6,959,649 | | 2003 | 6,855,245 | | 2002 | 6,761,011 | | 2001 | 6,659,646 | | 2000 | 6,547,295 | | 1999 | 6,421,907 | | 1998 | 6,281,906 | | 1997 | 6,127,369 | | 1996 | 5,959,691 | | 1995 | 5,780,687 | | 1994 | 5,589,552 | | 1993 | 5,384,766 | | 1992 | 5,177,502 | | 1991 | 4,978,804 | | 1990 | 4,783,408 | | 1989 | 4,593,157 | | 1988 | 4,419,969 | | 1987 | 4,264,619 | | 1986 | 4,125,166 | | 1985 | 4,002,237 | | 1984 | 3,892,381 | | 1983 | 3,804,262 | | 1982 | 3,721,881 | | 1981 | 3,627,691 | | 1980 | 3,529,636 | | 1979 | 3,429,170 | | 1978 | 3,331,388 | | 1977 | 3,235,445 | | 1976 | 3,143,951 | | 1975 | 3,058,937 | | 1974 | 2,978,927 | | 1973 | 2,904,543 | | 1972 | 2,834,473 | | 1971 | 2,769,014 | | 1970 | 2,706,415 | | 1969 | 2,629,056 | | 1968 | 2,550,513 | | 1967 | 2,495,447 | | 1966 | 2,454,469 | | 1965 | 2,419,283 | | 1964 | 2,403,565 | | 1963 | 2,392,665 | | 1962 | 2,359,704 | | 1961 | 2,313,961 | | 1960 | 2,264,155 |
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