Year | Value | 2022 | 38,063,117 | 2021 | 37,088,534 | 2020 | 36,088,619 | 2019 | 35,081,096 | 2018 | 34,092,278 | 2017 | 33,111,857 | 2016 | 32,137,965 | 2015 | 31,168,990 | 2014 | 30,212,637 | 2013 | 29,272,925 | 2012 | 28,354,957 | 2011 | 27,458,906 | 2010 | 26,587,808 | 2009 | 25,739,048 | 2008 | 24,932,764 | 2007 | 24,160,637 | 2006 | 23,412,478 | 2005 | 22,681,995 | 2004 | 21,963,105 | 2003 | 21,258,672 | 2002 | 20,572,659 | 2001 | 19,904,159 | 2000 | 19,255,738 | 1999 | 18,606,725 | 1998 | 18,025,684 | 1997 | 17,466,858 | 1996 | 16,910,167 | 1995 | 16,349,444 | 1994 | 15,786,387 | 1993 | 15,222,498 | 1992 | 14,659,824 | 1991 | 14,101,741 | 1990 | 13,554,488 | 1989 | 13,021,914 | 1988 | 12,648,690 | 1987 | 12,330,749 | 1986 | 12,014,642 | 1985 | 11,699,691 | 1984 | 11,388,170 | 1983 | 11,080,174 | 1982 | 10,777,061 | 1981 | 10,481,001 | 1980 | 10,194,803 | 1979 | 9,938,669 | 1978 | 9,671,810 | 1977 | 9,378,577 | 1976 | 9,093,283 | 1975 | 8,821,833 | 1974 | 8,576,172 | 1973 | 8,344,391 | 1972 | 8,119,101 | 1971 | 7,894,942 | 1970 | 7,672,979 | 1969 | 7,346,352 | 1968 | 7,037,067 | 1967 | 6,738,138 | 1966 | 6,443,077 | 1965 | 6,152,305 | 1964 | 5,864,832 | 1963 | 5,582,670 | 1962 | 5,307,513 | 1961 | 5,053,720 | 1960 | 4,809,614 |
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