Year | Value | 2022 | 251,553,092 | 2021 | 256,716,472 | 2020 | 261,256,310 | 2019 | 264,864,496 | 2018 | 267,571,024 | 2017 | 269,231,032 | 2016 | 269,665,337 | 2015 | 269,468,131 | 2014 | 268,883,663 | 2013 | 267,667,665 | 2012 | 265,670,234 | 2011 | 263,317,102 | 2010 | 261,181,069 | 2009 | 259,038,838 | 2008 | 256,858,155 | 2007 | 255,053,150 | 2006 | 253,909,370 | 2005 | 253,192,769 | 2004 | 252,287,868 | 2003 | 251,199,761 | 2002 | 250,392,509 | 2001 | 249,820,852 | 2000 | 249,486,342 | 1999 | 249,771,223 | 1998 | 250,659,448 | 1997 | 251,751,231 | 1996 | 253,237,786 | 1995 | 256,062,319 | 1994 | 259,523,102 | 1993 | 262,205,265 | 1992 | 264,564,022 | 1991 | 266,075,216 | 1990 | 264,791,633 | 1989 | 261,222,946 | 1988 | 257,355,838 | 1987 | 253,333,211 | 1986 | 249,142,123 | 1985 | 244,781,456 | 1984 | 240,454,765 | 1983 | 235,896,963 | 1982 | 230,556,451 | 1981 | 225,511,713 | 1980 | 221,984,867 | 1979 | 219,899,196 | 1978 | 219,555,989 | 1977 | 220,264,321 | 1976 | 220,946,117 | 1975 | 221,560,077 | 1974 | 221,588,483 | 1973 | 220,600,041 | 1972 | 218,242,500 | 1971 | 215,068,747 | 1970 | 211,915,578 | 1969 | 208,861,376 | 1968 | 206,658,229 | 1967 | 204,578,344 | 1966 | 199,317,442 | 1965 | 191,358,777 | 1964 | 183,585,042 | 1963 | 175,688,806 | 1962 | 169,728,204 | 1961 | 168,536,560 | 1960 | 170,558,432 |
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