| Year | Value | | 2022 | 5,834,698 | | 2021 | 5,749,016 | | 2020 | 5,652,635 | | 2019 | 5,545,649 | | 2018 | 5,428,765 | | 2017 | 5,297,692 | | 2016 | 5,155,653 | | 2015 | 5,007,316 | | 2014 | 4,848,896 | | 2013 | 4,675,994 | | 2012 | 4,498,953 | | 2011 | 4,327,768 | | 2010 | 4,161,268 | | 2009 | 4,003,094 | | 2008 | 3,860,484 | | 2007 | 3,731,650 | | 2006 | 3,614,148 | | 2005 | 3,509,920 | | 2004 | 3,417,023 | | 2003 | 3,331,522 | | 2002 | 3,251,684 | | 2001 | 3,174,537 | | 2000 | 3,098,165 | | 1999 | 3,022,405 | | 1998 | 2,947,939 | | 1997 | 2,874,810 | | 1996 | 2,803,685 | | 1995 | 2,735,777 | | 1994 | 2,669,364 | | 1993 | 2,603,549 | | 1992 | 2,538,580 | | 1991 | 2,475,862 | | 1990 | 2,413,951 | | 1989 | 2,338,296 | | 1988 | 2,261,605 | | 1987 | 2,205,733 | | 1986 | 2,162,995 | | 1985 | 2,125,906 | | 1984 | 2,105,062 | | 1983 | 2,095,297 | | 1982 | 2,066,114 | | 1981 | 2,017,789 | | 1980 | 1,963,607 | | 1979 | 1,908,936 | | 1978 | 1,858,756 | | 1977 | 1,811,807 | | 1976 | 1,767,619 | | 1975 | 1,725,398 | | 1974 | 1,684,275 | | 1973 | 1,644,910 | | 1972 | 1,607,091 | | 1971 | 1,571,849 | | 1970 | 1,538,664 | | 1969 | 1,506,392 | | 1968 | 1,475,163 | | 1967 | 1,444,919 | | 1966 | 1,415,795 | | 1965 | 1,387,251 | | 1964 | 1,359,456 | | 1963 | 1,332,875 | | 1962 | 1,307,163 | | 1961 | 1,281,978 | | 1960 | 1,257,405 |
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