Year | Value | 2022 | 66,971,395 | 2021 | 67,026,292 | 2020 | 67,081,234 | 2019 | 66,836,327 | 2018 | 66,460,344 | 2017 | 66,058,859 | 2016 | 65,611,593 | 2015 | 65,116,219 | 2014 | 64,602,298 | 2013 | 64,128,273 | 2012 | 63,700,215 | 2011 | 63,258,810 | 2010 | 62,766,365 | 2009 | 62,276,270 | 2008 | 61,806,995 | 2007 | 61,322,463 | 2006 | 60,846,820 | 2005 | 60,401,206 | 2004 | 59,987,905 | 2003 | 59,647,577 | 2002 | 59,370,479 | 2001 | 59,119,673 | 2000 | 58,892,514 | 1999 | 58,682,466 | 1998 | 58,487,141 | 1997 | 58,316,954 | 1996 | 58,166,950 | 1995 | 58,019,030 | 1994 | 57,865,745 | 1993 | 57,718,614 | 1992 | 57,580,402 | 1991 | 57,424,897 | 1990 | 57,247,586 | 1989 | 57,076,711 | 1988 | 56,928,327 | 1987 | 56,802,050 | 1986 | 56,681,396 | 1985 | 56,550,268 | 1984 | 56,422,072 | 1983 | 56,332,848 | 1982 | 56,313,641 | 1981 | 56,333,829 | 1980 | 56,314,216 | 1979 | 56,246,951 | 1978 | 56,196,504 | 1977 | 56,193,492 | 1976 | 56,211,968 | 1975 | 56,225,800 | 1974 | 56,229,974 | 1973 | 56,194,527 | 1972 | 56,086,065 | 1971 | 55,896,223 | 1970 | 55,663,250 | 1969 | 55,441,750 | 1968 | 55,211,700 | 1967 | 54,943,600 | 1966 | 54,648,500 | 1965 | 54,348,050 | 1964 | 54,000,000 | 1963 | 53,650,000 | 1962 | 53,250,000 | 1961 | 52,800,000 | 1960 | 52,400,000 |
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