Year | Value | 2022 | 44,383,300 | 2021 | 44,493,673 | 2020 | 44,641,985 | 2019 | 44,643,705 | 2018 | 44,754,200 | 2017 | 44,914,089 | 2016 | 45,149,033 | 2015 | 45,419,885 | 2014 | 45,620,389 | 2013 | 45,653,697 | 2012 | 45,535,068 | 2011 | 45,282,185 | 2010 | 45,060,725 | 2009 | 44,892,098 | 2008 | 44,811,544 | 2007 | 44,775,781 | 2006 | 44,836,779 | 2005 | 44,910,238 | 2004 | 44,946,964 | 2003 | 44,899,320 | 2002 | 44,756,191 | 2001 | 44,534,721 | 2000 | 44,263,278 | 1999 | 44,103,631 | 1998 | 44,169,720 | 1997 | 44,439,308 | 1996 | 44,870,602 | 1995 | 45,322,180 | 1994 | 45,625,414 | 1993 | 45,865,072 | 1992 | 45,982,865 | 1991 | 45,773,932 | 1990 | 45,503,081 | 1989 | 45,488,350 | 1988 | 45,535,157 | 1987 | 45,566,126 | 1986 | 45,662,212 | 1985 | 45,604,892 | 1984 | 45,221,025 | 1983 | 44,705,625 | 1982 | 44,189,428 | 1981 | 43,641,667 | 1980 | 43,009,046 | 1979 | 42,356,977 | 1978 | 41,751,702 | 1977 | 41,167,103 | 1976 | 40,791,111 | 1975 | 40,356,008 | 1974 | 39,763,112 | 1973 | 39,402,606 | 1972 | 39,193,902 | 1971 | 38,539,409 | 1970 | 37,179,556 | 1969 | 35,833,374 | 1968 | 34,572,385 | 1967 | 33,297,891 | 1966 | 32,217,438 | 1965 | 31,843,447 | 1964 | 31,689,507 | 1963 | 31,226,277 | 1962 | 30,733,143 | 1961 | 30,426,868 | 1960 | 30,063,314 |
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