| Year | Value | | 2022 | 5,822,253 | | 2021 | 5,670,744 | | 2020 | 5,520,577 | | 2019 | 5,362,971 | | 2018 | 5,200,235 | | 2017 | 5,026,133 | | 2016 | 4,849,895 | | 2015 | 4,682,301 | | 2014 | 4,527,118 | | 2013 | 4,386,344 | | 2012 | 4,257,986 | | 2011 | 4,137,064 | | 2010 | 4,021,020 | | 2009 | 3,911,902 | | 2008 | 3,811,276 | | 2007 | 3,717,735 | | 2006 | 3,632,848 | | 2005 | 3,557,520 | | 2004 | 3,487,713 | | 2003 | 3,420,098 | | 2002 | 3,352,442 | | 2001 | 3,281,130 | | 2000 | 3,205,601 | | 1999 | 3,126,936 | | 1998 | 3,045,786 | | 1997 | 2,960,860 | | 1996 | 2,872,545 | | 1995 | 2,786,604 | | 1994 | 2,710,576 | | 1993 | 2,640,376 | | 1992 | 2,571,476 | | 1991 | 2,507,125 | | 1990 | 2,443,727 | | 1989 | 2,379,711 | | 1988 | 2,320,091 | | 1987 | 2,261,617 | | 1986 | 2,200,985 | | 1985 | 2,142,140 | | 1984 | 2,084,133 | | 1983 | 2,028,854 | | 1982 | 1,973,829 | | 1981 | 1,916,957 | | 1980 | 1,864,559 | | 1979 | 1,812,677 | | 1978 | 1,757,655 | | 1977 | 1,705,831 | | 1976 | 1,657,516 | | 1975 | 1,611,676 | | 1974 | 1,569,262 | | 1973 | 1,529,453 | | 1972 | 1,492,666 | | 1971 | 1,458,143 | | 1970 | 1,424,281 | | 1969 | 1,390,796 | | 1968 | 1,357,211 | | 1967 | 1,324,095 | | 1966 | 1,292,195 | | 1965 | 1,260,516 | | 1964 | 1,229,168 | | 1963 | 1,199,056 | | 1962 | 1,170,625 | | 1961 | 1,144,010 | | 1960 | 1,121,069 |
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