Year | Value | 2022 | 238,841,579 | 2021 | 238,103,704 | 2020 | 237,113,604 | 2019 | 236,797,830 | 2018 | 237,171,910 | 2017 | 237,815,767 | 2016 | 238,992,919 | 2015 | 241,596,923 | 2014 | 244,823,990 | 2013 | 247,199,161 | 2012 | 249,130,885 | 2011 | 250,175,626 | 2010 | 248,430,004 | 2009 | 244,703,572 | 2008 | 240,786,162 | 2007 | 236,898,851 | 2006 | 232,908,881 | 2005 | 228,758,367 | 2004 | 224,531,877 | 2003 | 219,943,019 | 2002 | 214,520,435 | 2001 | 209,267,825 | 2000 | 205,302,817 | 1999 | 202,761,151 | 1998 | 201,998,703 | 1997 | 202,290,218 | 1996 | 202,693,993 | 1995 | 203,129,938 | 1994 | 202,980,725 | 1993 | 201,869,851 | 1992 | 199,480,781 | 1991 | 196,114,418 | 1990 | 192,771,051 | 1989 | 189,526,409 | 1988 | 187,184,201 | 1987 | 185,015,267 | 1986 | 179,916,259 | 1985 | 172,270,288 | 1984 | 164,677,215 | 1983 | 157,102,691 | 1982 | 151,558,359 | 1981 | 149,659,173 | 1980 | 149,407,365 | 1979 | 149,164,110 | 1978 | 147,722,550 | 1977 | 144,593,281 | 1976 | 140,869,837 | 1975 | 136,760,136 | 1974 | 131,990,954 | 1973 | 126,601,969 | 1972 | 120,636,236 | 1971 | 114,907,390 | 1970 | 109,215,613 | 1969 | 103,378,828 | 1968 | 98,495,727 | 1967 | 94,714,792 | 1966 | 92,101,217 | 1965 | 90,789,736 | 1964 | 90,472,269 | 1963 | 90,883,481 | 1962 | 91,515,738 | 1961 | 91,669,504 | 1960 | 91,398,733 |
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