Year | Value | 2022 | 49,892,177 | 2021 | 48,319,268 | 2020 | 46,787,187 | 2019 | 45,306,478 | 2018 | 43,890,310 | 2017 | 42,483,740 | 2016 | 41,052,552 | 2015 | 39,659,606 | 2014 | 38,343,735 | 2013 | 37,051,204 | 2012 | 35,816,345 | 2011 | 34,641,217 | 2010 | 33,506,062 | 2009 | 32,441,587 | 2008 | 31,428,249 | 2007 | 30,446,631 | 2006 | 29,491,075 | 2005 | 28,573,264 | 2004 | 27,703,894 | 2003 | 26,895,414 | 2002 | 26,117,751 | 2001 | 25,333,610 | 2000 | 24,582,226 | 1999 | 23,872,901 | 1998 | 23,184,201 | 1997 | 22,632,027 | 1996 | 22,270,929 | 1995 | 21,846,703 | 1994 | 20,956,530 | 1993 | 19,989,114 | 1992 | 19,364,049 | 1991 | 18,797,064 | 1990 | 18,195,981 | 1989 | 17,618,473 | 1988 | 17,084,716 | 1987 | 16,571,573 | 1986 | 16,084,504 | 1985 | 15,628,548 | 1984 | 15,175,062 | 1983 | 14,744,184 | 1982 | 14,357,555 | 1981 | 13,982,935 | 1980 | 13,614,618 | 1979 | 13,217,399 | 1978 | 12,778,701 | 1977 | 12,404,220 | 1976 | 12,108,641 | 1975 | 11,812,517 | 1974 | 11,514,847 | 1973 | 11,221,867 | 1972 | 10,936,079 | 1971 | 10,660,424 | 1970 | 10,384,074 | 1969 | 10,103,756 | 1968 | 9,827,796 | 1967 | 9,556,534 | 1966 | 9,295,559 | 1965 | 9,046,338 | 1964 | 8,810,368 | 1963 | 8,587,665 | 1962 | 8,374,315 | 1961 | 8,170,479 | 1960 | 7,975,587 |
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