| Year | Value | | 2022 | 4,417,801 | | 2021 | 4,384,035 | | 2020 | 4,352,384 | | 2019 | 4,322,218 | | 2018 | 4,292,467 | | 2017 | 4,261,807 | | 2016 | 4,225,760 | | 2015 | 4,184,583 | | 2014 | 4,140,499 | | 2013 | 4,093,847 | | 2012 | 4,051,266 | | 2011 | 4,012,325 | | 2010 | 3,971,373 | | 2009 | 3,933,290 | | 2008 | 3,888,817 | | 2007 | 3,845,997 | | 2006 | 3,816,235 | | 2005 | 3,794,856 | | 2004 | 3,772,931 | | 2003 | 3,749,181 | | 2002 | 3,723,614 | | 2001 | 3,696,843 | | 2000 | 3,673,543 | | 1999 | 3,653,851 | | 1998 | 3,637,528 | | 1997 | 3,626,908 | | 1996 | 3,617,997 | | 1995 | 3,601,427 | | 1994 | 3,577,019 | | 1993 | 3,548,723 | | 1992 | 3,516,951 | | 1991 | 3,477,958 | | 1990 | 3,435,750 | | 1989 | 3,403,458 | | 1988 | 3,377,780 | | 1987 | 3,354,023 | | 1986 | 3,333,817 | | 1985 | 3,317,420 | | 1984 | 3,303,960 | | 1983 | 3,292,972 | | 1982 | 3,279,780 | | 1981 | 3,262,098 | | 1980 | 3,245,225 | | 1979 | 3,232,423 | | 1978 | 3,225,257 | | 1977 | 3,223,545 | | 1976 | 3,232,679 | | 1975 | 3,248,934 | | 1974 | 3,248,189 | | 1973 | 3,228,610 | | 1972 | 3,203,034 | | 1971 | 3,178,212 | | 1970 | 3,161,351 | | 1969 | 3,139,000 | | 1968 | 3,105,551 | | 1967 | 3,068,777 | | 1966 | 3,033,206 | | 1965 | 3,003,824 | | 1964 | 2,971,603 | | 1963 | 2,925,748 | | 1962 | 2,867,533 | | 1961 | 2,799,450 | | 1960 | 2,746,695 |
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