Year | Value | 2022 | 73,848,397 | 2021 | 73,253,849 | 2020 | 73,226,053 | 2019 | 73,421,096 | 2018 | 73,669,306 | 2017 | 74,242,208 | 2016 | 75,080,307 | 2015 | 76,071,886 | 2014 | 77,411,876 | 2013 | 79,172,136 | 2012 | 81,168,542 | 2011 | 83,611,011 | 2010 | 87,514,237 | 2009 | 92,206,282 | 2008 | 96,088,073 | 2007 | 99,587,713 | 2006 | 102,290,024 | 2005 | 102,273,182 | 2004 | 100,364,116 | 2003 | 98,337,638 | 2002 | 96,428,774 | 2001 | 94,560,751 | 2000 | 92,728,416 | 1999 | 91,106,175 | 1998 | 89,386,183 | 1997 | 86,948,710 | 1996 | 84,733,156 | 1995 | 83,896,840 | 1994 | 84,380,492 | 1993 | 86,364,659 | 1992 | 89,277,075 | 1991 | 92,223,764 | 1990 | 95,259,651 | 1989 | 97,751,920 | 1988 | 99,026,542 | 1987 | 98,845,895 | 1986 | 97,732,690 | 1985 | 96,624,490 | 1984 | 95,594,263 | 1983 | 95,368,510 | 1982 | 95,266,825 | 1981 | 92,170,811 | 1980 | 86,619,463 | 1979 | 81,163,320 | 1978 | 75,733,705 | 1977 | 72,325,806 | 1976 | 72,703,343 | 1975 | 74,824,238 | 1974 | 76,817,770 | 1973 | 77,450,502 | 1972 | 76,465,460 | 1971 | 74,870,071 | 1970 | 72,842,128 | 1969 | 70,222,613 | 1968 | 67,239,611 | 1967 | 63,769,733 | 1966 | 60,217,323 | 1965 | 56,593,434 | 1964 | 52,934,568 | 1963 | 49,903,797 | 1962 | 47,427,438 | 1961 | 46,064,909 | 1960 | 46,060,813 |
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