Year | Value | 2022 | 72,888,406 | 2021 | 71,305,885 | 2020 | 69,669,548 | 2019 | 68,133,632 | 2018 | 66,708,093 | 2017 | 65,366,625 | 2016 | 64,063,031 | 2015 | 62,779,751 | 2014 | 61,478,416 | 2013 | 60,086,669 | 2012 | 58,638,578 | 2011 | 57,170,081 | 2010 | 55,616,470 | 2009 | 54,016,076 | 2008 | 52,387,361 | 2007 | 50,692,602 | 2006 | 48,959,953 | 2005 | 47,229,396 | 2004 | 45,500,786 | 2003 | 43,601,687 | 2002 | 41,607,298 | 2001 | 39,729,305 | 2000 | 37,907,070 | 1999 | 36,153,289 | 1998 | 34,744,589 | 1997 | 33,681,062 | 1996 | 32,812,348 | 1995 | 32,186,662 | 1994 | 31,771,633 | 1993 | 31,536,846 | 1992 | 31,398,866 | 1991 | 31,146,429 | 1990 | 30,708,537 | 1989 | 30,126,648 | 1988 | 29,406,682 | 1987 | 28,634,677 | 1986 | 27,925,192 | 1985 | 27,333,844 | 1984 | 26,840,665 | 1983 | 26,385,959 | 1982 | 25,901,435 | 1981 | 25,381,123 | 1980 | 24,832,500 | 1979 | 24,269,710 | 1978 | 23,717,870 | 1977 | 23,163,116 | 1976 | 22,582,515 | 1975 | 21,966,904 | 1974 | 21,356,963 | 1973 | 20,774,564 | 1972 | 20,183,021 | 1971 | 19,633,504 | 1970 | 19,191,302 | 1969 | 18,863,554 | 1968 | 18,593,208 | 1967 | 18,393,605 | 1966 | 18,232,952 | 1965 | 18,037,195 | 1964 | 17,766,642 | 1963 | 17,442,705 | 1962 | 17,109,381 | 1961 | 16,758,964 | 1960 | 16,363,114 |
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