Year | Value | 2022 | 10,710,578 | 2021 | 10,622,288 | 2020 | 10,600,168 | 2019 | 10,515,843 | 2018 | 10,477,821 | 2017 | 10,440,112 | 2016 | 10,404,521 | 2015 | 10,361,913 | 2014 | 10,349,641 | 2013 | 10,389,299 | 2012 | 10,477,244 | 2011 | 10,605,959 | 2010 | 10,739,825 | 2009 | 10,808,761 | 2008 | 10,796,063 | 2007 | 10,703,874 | 2006 | 10,565,069 | 2005 | 10,403,871 | 2004 | 10,235,222 | 2003 | 10,078,802 | 2002 | 9,949,398 | 2001 | 9,851,307 | 2000 | 9,789,863 | 1999 | 9,721,006 | 1998 | 9,614,630 | 1997 | 9,449,585 | 1996 | 9,226,982 | 1995 | 8,983,634 | 1994 | 8,758,859 | 1993 | 8,587,583 | 1992 | 8,498,779 | 1991 | 8,563,966 | 1990 | 8,755,059 | 1989 | 8,936,387 | 1988 | 9,078,744 | 1987 | 9,188,405 | 1986 | 9,248,719 | 1985 | 9,285,021 | 1984 | 9,401,231 | 1983 | 9,604,623 | 1982 | 9,845,716 | 1981 | 10,122,385 | 1980 | 10,366,267 | 1979 | 10,505,869 | 1978 | 10,551,308 | 1977 | 10,560,841 | 1976 | 10,524,535 | 1975 | 10,432,432 | 1974 | 10,298,467 | 1973 | 10,144,239 | 1972 | 9,933,368 | 1971 | 9,860,127 | 1970 | 9,660,751 | 1969 | 9,171,930 | 1968 | 8,814,916 | 1967 | 8,696,224 | 1966 | 8,453,028 | 1965 | 8,115,043 | 1964 | 7,951,304 | 1963 | 7,748,472 | 1962 | 7,371,659 | 1961 | 6,878,559 | 1960 | 6,548,531 |
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