Year | Value | 2022 | 66,715,974 | 2021 | 66,257,488 | 2020 | 65,745,248 | 2019 | 65,304,629 | 2018 | 64,853,973 | 2017 | 64,318,022 | 2016 | 63,719,027 | 2015 | 63,039,411 | 2014 | 62,353,303 | 2013 | 61,738,618 | 2012 | 61,135,752 | 2011 | 60,553,474 | 2010 | 59,980,845 | 2009 | 59,342,894 | 2008 | 58,596,179 | 2007 | 57,724,358 | 2006 | 56,738,789 | 2005 | 55,691,488 | 2004 | 54,560,804 | 2003 | 53,336,557 | 2002 | 52,139,596 | 2001 | 51,020,928 | 2000 | 49,970,630 | 1999 | 49,038,016 | 1998 | 48,233,397 | 1997 | 47,428,814 | 1996 | 46,540,496 | 1995 | 45,600,719 | 1994 | 44,619,064 | 1993 | 43,626,744 | 1992 | 42,682,641 | 1991 | 41,766,080 | 1990 | 40,884,081 | 1989 | 40,067,035 | 1988 | 39,300,339 | 1987 | 38,568,364 | 1986 | 37,881,308 | 1985 | 37,204,211 | 1984 | 36,485,850 | 1983 | 35,736,728 | 1982 | 35,000,593 | 1981 | 34,274,733 | 1980 | 33,539,118 | 1979 | 32,806,119 | 1978 | 32,057,305 | 1977 | 31,253,268 | 1976 | 30,422,523 | 1975 | 29,572,969 | 1974 | 28,694,424 | 1973 | 27,562,076 | 1972 | 26,185,424 | 1971 | 24,857,552 | 1970 | 23,599,426 | 1969 | 22,400,618 | 1968 | 21,534,379 | 1967 | 21,018,607 | 1966 | 20,585,875 | 1965 | 20,209,034 | 1964 | 19,901,599 | 1963 | 19,672,185 | 1962 | 19,496,179 | 1961 | 19,326,767 | 1960 | 19,132,866 |
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