Year | Value | 2022 | 70,968,496 | 2021 | 69,411,688 | 2020 | 67,838,088 | 2019 | 66,091,847 | 2018 | 64,236,025 | 2017 | 62,401,859 | 2016 | 60,600,366 | 2015 | 58,804,479 | 2014 | 57,054,798 | 2013 | 55,383,061 | 2012 | 53,662,277 | 2011 | 51,857,318 | 2010 | 50,042,941 | 2009 | 48,234,260 | 2008 | 46,207,798 | 2007 | 44,068,634 | 2006 | 42,077,682 | 2005 | 40,165,602 | 2004 | 38,357,195 | 2003 | 36,911,898 | 2002 | 35,836,015 | 2001 | 34,871,752 | 2000 | 34,022,121 | 1999 | 33,302,144 | 1998 | 32,690,525 | 1997 | 32,143,395 | 1996 | 31,609,411 | 1995 | 31,063,138 | 1994 | 30,510,959 | 1993 | 29,926,623 | 1992 | 29,296,874 | 1991 | 28,658,045 | 1990 | 28,035,889 | 1989 | 27,429,073 | 1988 | 26,856,443 | 1987 | 26,287,473 | 1986 | 25,714,805 | 1985 | 25,139,114 | 1984 | 24,554,437 | 1983 | 23,949,049 | 1982 | 23,331,363 | 1981 | 22,712,393 | 1980 | 22,128,984 | 1979 | 21,577,131 | 1978 | 21,027,351 | 1977 | 20,501,721 | 1976 | 20,000,942 | 1975 | 19,523,312 | 1974 | 19,075,432 | 1973 | 18,656,182 | 1972 | 18,263,966 | 1971 | 17,928,578 | 1970 | 17,621,450 | 1969 | 17,307,277 | 1968 | 17,004,740 | 1967 | 16,708,679 | 1966 | 16,393,188 | 1965 | 16,046,565 | 1964 | 15,663,032 | 1963 | 15,238,892 | 1962 | 14,799,086 | 1961 | 14,381,721 | 1960 | 14,012,444 |
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