| Year | Value | | 2022 | 10,913,164 | | 2021 | 10,748,272 | | 2020 | 10,606,227 | | 2019 | 10,447,666 | | 2018 | 10,395,329 | | 2017 | 10,658,226 | | 2016 | 11,066,105 | | 2015 | 11,194,299 | | 2014 | 11,213,284 | | 2013 | 11,106,031 | | 2012 | 10,701,604 | | 2011 | 10,243,050 | | 2010 | 9,714,419 | | 2009 | 9,229,227 | | 2008 | 8,823,888 | | 2007 | 8,417,823 | | 2006 | 8,029,517 | | 2005 | 7,662,654 | | 2004 | 7,317,118 | | 2003 | 6,992,367 | | 2002 | 6,686,100 | | 2001 | 6,394,431 | | 2000 | 6,114,440 | | 1999 | 5,850,145 | | 1998 | 5,699,436 | | 1997 | 5,589,410 | | 1996 | 5,434,894 | | 1995 | 5,302,042 | | 1994 | 5,142,863 | | 1993 | 5,018,172 | | 1992 | 4,956,969 | | 1991 | 4,867,185 | | 1990 | 4,750,817 | | 1989 | 4,706,626 | | 1988 | 4,814,879 | | 1987 | 4,893,809 | | 1986 | 4,819,667 | | 1985 | 4,706,975 | | 1984 | 4,603,039 | | 1983 | 4,502,541 | | 1982 | 4,398,297 | | 1981 | 4,293,866 | | 1980 | 4,192,012 | | 1979 | 4,092,792 | | 1978 | 3,995,911 | | 1977 | 3,901,044 | | 1976 | 3,808,615 | | 1975 | 3,718,279 | | 1974 | 3,629,608 | | 1973 | 3,542,465 | | 1972 | 3,464,715 | | 1971 | 3,396,808 | | 1970 | 3,342,410 | | 1969 | 3,301,892 | | 1968 | 3,261,725 | | 1967 | 3,221,957 | | 1966 | 3,185,305 | | 1965 | 3,143,622 | | 1964 | 3,088,701 | | 1963 | 3,036,238 | | 1962 | 2,992,270 | | 1961 | 2,948,953 | | 1960 | 2,907,724 |
|