| Year | Value | | 2022 | 7,737,949 | | 2021 | 7,797,150 | | 2020 | 7,771,652 | | 2019 | 7,528,322 | | 2018 | 7,192,656 | | 2017 | 6,852,698 | | 2016 | 6,528,860 | | 2015 | 6,235,093 | | 2014 | 5,968,345 | | 2013 | 5,728,934 | | 2012 | 5,515,445 | | 2011 | 5,317,285 | | 2010 | 5,133,491 | | 2009 | 4,965,501 | | 2008 | 4,809,172 | | 2007 | 4,660,473 | | 2006 | 4,512,931 | | 2005 | 4,361,251 | | 2004 | 4,206,437 | | 2003 | 4,049,234 | | 2002 | 3,890,571 | | 2001 | 3,728,650 | | 2000 | 3,564,404 | | 1999 | 3,400,499 | | 1998 | 3,245,252 | | 1997 | 3,107,216 | | 1996 | 2,985,110 | | 1995 | 2,875,790 | | 1994 | 2,779,947 | | 1993 | 2,698,071 | | 1992 | 2,629,930 | | 1991 | 2,571,329 | | 1990 | 2,515,336 | | 1989 | 2,460,934 | | 1988 | 2,405,079 | | 1987 | 2,344,696 | | 1986 | 2,282,868 | | 1985 | 2,223,442 | | 1984 | 2,168,535 | | 1983 | 2,118,389 | | 1982 | 2,068,510 | | 1981 | 2,012,118 | | 1980 | 1,943,743 | | 1979 | 1,863,387 | | 1978 | 1,770,735 | | 1977 | 1,668,250 | | 1976 | 1,565,680 | | 1975 | 1,471,861 | | 1974 | 1,391,476 | | 1973 | 1,328,009 | | 1972 | 1,279,740 | | 1971 | 1,243,507 | | 1970 | 1,206,233 | | 1969 | 1,160,097 | | 1968 | 1,107,748 | | 1967 | 1,052,103 | | 1966 | 1,003,693 | | 1965 | 968,759 | | 1964 | 946,387 | | 1963 | 938,600 | | 1962 | 945,867 | | 1961 | 958,798 | | 1960 | 967,327 |
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