| Year | Value | | 2022 | 5,438,953 | | 2021 | 5,368,123 | | 2020 | 5,257,947 | | 2019 | 5,143,079 | | 2018 | 5,024,293 | | 2017 | 4,902,957 | | 2016 | 4,778,803 | | 2015 | 4,549,538 | | 2014 | 4,160,394 | | 2013 | 3,725,930 | | 2012 | 3,507,157 | | 2011 | 3,455,782 | | 2010 | 3,367,031 | | 2009 | 3,291,871 | | 2008 | 3,218,236 | | 2007 | 3,138,903 | | 2006 | 2,943,988 | | 2005 | 2,749,640 | | 2004 | 2,677,114 | | 2003 | 2,608,615 | | 2002 | 2,546,539 | | 2001 | 2,487,807 | | 2000 | 2,431,055 | | 1999 | 2,374,837 | | 1998 | 2,318,090 | | 1997 | 2,259,564 | | 1996 | 2,195,847 | | 1995 | 2,123,362 | | 1994 | 2,041,116 | | 1993 | 1,951,939 | | 1992 | 1,861,488 | | 1991 | 1,774,819 | | 1990 | 1,694,011 | | 1989 | 1,615,655 | | 1988 | 1,540,341 | | 1987 | 1,470,621 | | 1986 | 1,404,666 | | 1985 | 1,342,021 | | 1984 | 1,282,680 | | 1983 | 1,226,422 | | 1982 | 1,173,472 | | 1981 | 1,124,814 | | 1980 | 1,081,027 | | 1979 | 1,042,588 | | 1978 | 1,008,981 | | 1977 | 978,011 | | 1976 | 948,774 | | 1975 | 920,443 | | 1974 | 891,850 | | 1973 | 862,721 | | 1972 | 832,400 | | 1971 | 799,192 | | 1970 | 760,744 | | 1969 | 716,374 | | 1968 | 667,712 | | 1967 | 618,434 | | 1966 | 573,043 | | 1965 | 534,276 | | 1964 | 502,949 | | 1963 | 478,030 | | 1962 | 456,445 | | 1961 | 435,462 | | 1960 | 413,911 |
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