| Year | Value | | 2022 | 5,213,547 | | 2021 | 5,209,772 | | 2020 | 5,195,795 | | 2019 | 5,166,349 | | 2018 | 5,137,601 | | 2017 | 5,106,866 | | 2016 | 5,060,250 | | 2015 | 5,008,733 | | 2014 | 4,957,352 | | 2013 | 4,906,881 | | 2012 | 4,860,689 | | 2011 | 4,815,697 | | 2010 | 4,763,944 | | 2009 | 4,722,725 | | 2008 | 4,701,947 | | 2007 | 4,677,927 | | 2006 | 4,647,561 | | 2005 | 4,617,272 | | 2004 | 4,580,786 | | 2003 | 4,540,084 | | 2002 | 4,498,717 | | 2001 | 4,452,312 | | 2000 | 4,394,574 | | 1999 | 4,326,696 | | 1998 | 4,251,435 | | 1997 | 4,164,676 | | 1996 | 4,068,911 | | 1995 | 3,971,482 | | 1994 | 3,872,053 | | 1993 | 3,766,926 | | 1992 | 3,658,399 | | 1991 | 3,548,125 | | 1990 | 3,437,076 | | 1989 | 3,338,050 | | 1988 | 3,251,759 | | 1987 | 3,166,075 | | 1986 | 3,079,721 | | 1985 | 2,991,673 | | 1984 | 2,900,537 | | 1983 | 2,804,491 | | 1982 | 2,705,938 | | 1981 | 2,607,164 | | 1980 | 2,504,563 | | 1979 | 2,395,143 | | 1978 | 2,287,295 | | 1977 | 2,188,468 | | 1976 | 2,102,080 | | 1975 | 2,027,174 | | 1974 | 1,957,134 | | 1973 | 1,887,563 | | 1972 | 1,821,227 | | 1971 | 1,761,196 | | 1970 | 1,705,090 | | 1969 | 1,648,529 | | 1968 | 1,587,155 | | 1967 | 1,523,326 | | 1966 | 1,464,879 | | 1965 | 1,418,252 | | 1964 | 1,383,576 | | 1963 | 1,359,934 | | 1962 | 1,343,241 | | 1961 | 1,326,312 | | 1960 | 1,307,460 |
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