| Year | Value | | 2022 | 4,867,432 | | 2021 | 4,706,399 | | 2020 | 4,546,804 | | 2019 | 4,402,272 | | 2018 | 4,265,634 | | 2017 | 4,111,423 | | 2016 | 3,930,346 | | 2015 | 3,742,805 | | 2014 | 3,570,354 | | 2013 | 3,409,571 | | 2012 | 3,255,915 | | 2011 | 3,105,693 | | 2010 | 2,957,147 | | 2009 | 2,799,996 | | 2008 | 2,643,130 | | 2007 | 2,483,167 | | 2006 | 2,314,500 | | 2005 | 2,155,917 | | 2004 | 2,017,445 | | 2003 | 1,902,095 | | 2002 | 1,807,866 | | 2001 | 1,729,827 | | 2000 | 1,658,472 | | 1999 | 1,603,586 | | 1998 | 1,561,698 | | 1997 | 1,512,670 | | 1996 | 1,456,923 | | 1995 | 1,402,295 | | 1994 | 1,346,907 | | 1993 | 1,286,612 | | 1992 | 1,226,833 | | 1991 | 1,166,439 | | 1990 | 1,108,436 | | 1989 | 1,050,759 | | 1988 | 994,595 | | 1987 | 938,746 | | 1986 | 886,614 | | 1985 | 844,049 | | 1984 | 803,125 | | 1983 | 760,586 | | 1982 | 712,802 | | 1981 | 663,829 | | 1980 | 619,248 | | 1979 | 577,753 | | 1978 | 538,373 | | 1977 | 502,308 | | 1976 | 471,522 | | 1975 | 445,162 | | 1974 | 421,168 | | 1973 | 401,227 | | 1972 | 380,939 | | 1971 | 360,794 | | 1970 | 340,384 | | 1969 | 322,524 | | 1968 | 303,545 | | 1967 | 286,040 | | 1966 | 272,362 | | 1965 | 264,200 | | 1964 | 255,926 | | 1963 | 245,136 | | 1962 | 236,604 | | 1961 | 230,150 | | 1960 | 223,528 |
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