| Year | Value | | 2022 | 8,675,724 | | 2021 | 8,570,328 | | 2020 | 8,460,667 | | 2019 | 8,344,632 | | 2018 | 8,227,235 | | 2017 | 8,107,611 | | 2016 | 7,986,686 | | 2015 | 7,865,762 | | 2014 | 7,745,627 | | 2013 | 7,627,127 | | 2012 | 7,511,197 | | 2011 | 7,384,954 | | 2010 | 7,262,322 | | 2009 | 7,158,322 | | 2008 | 7,058,984 | | 2007 | 6,962,852 | | 2006 | 6,869,247 | | 2005 | 6,777,044 | | 2004 | 6,684,800 | | 2003 | 6,583,664 | | 2002 | 6,480,910 | | 2001 | 6,378,688 | | 2000 | 6,275,528 | | 1999 | 6,170,691 | | 1998 | 6,063,024 | | 1997 | 5,950,970 | | 1996 | 5,834,681 | | 1995 | 5,713,456 | | 1994 | 5,584,448 | | 1993 | 5,418,801 | | 1992 | 5,242,969 | | 1991 | 5,066,444 | | 1990 | 4,890,656 | | 1989 | 4,716,962 | | 1988 | 4,543,857 | | 1987 | 4,369,529 | | 1986 | 4,195,965 | | 1985 | 4,025,053 | | 1984 | 3,858,754 | | 1983 | 3,712,705 | | 1982 | 3,579,185 | | 1981 | 3,450,526 | | 1980 | 3,326,508 | | 1979 | 3,206,299 | | 1978 | 3,088,345 | | 1977 | 2,971,992 | | 1976 | 2,857,310 | | 1975 | 2,745,387 | | 1974 | 2,626,377 | | 1973 | 2,511,039 | | 1972 | 2,401,089 | | 1971 | 2,295,903 | | 1970 | 2,194,712 | | 1969 | 2,096,906 | | 1968 | 2,002,428 | | 1967 | 1,912,799 | | 1966 | 1,830,051 | | 1965 | 1,770,611 | | 1964 | 1,724,119 | | 1963 | 1,682,605 | | 1962 | 1,643,804 | | 1961 | 1,607,708 | | 1960 | 1,573,762 |
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