Year | Value | 2022 | 234,244,237 | 2021 | 235,490,135 | 2020 | 237,652,741 | 2019 | 240,622,813 | 2018 | 243,000,627 | 2017 | 244,967,389 | 2016 | 246,048,989 | 2015 | 244,369,207 | 2014 | 240,503,382 | 2013 | 236,210,398 | 2012 | 231,928,009 | 2011 | 227,608,798 | 2010 | 223,268,093 | 2009 | 219,111,503 | 2008 | 214,802,989 | 2007 | 209,694,581 | 2006 | 204,822,135 | 2005 | 201,228,515 | 2004 | 198,882,854 | 2003 | 198,236,317 | 2002 | 198,743,908 | 2001 | 199,320,967 | 2000 | 199,782,512 | 1999 | 199,647,155 | 1998 | 198,519,677 | 1997 | 195,972,768 | 1996 | 192,494,526 | 1995 | 189,163,598 | 1994 | 186,028,768 | 1993 | 183,773,985 | 1992 | 181,747,600 | 1991 | 176,740,648 | 1990 | 169,126,834 | 1989 | 161,478,375 | 1988 | 153,913,416 | 1987 | 148,359,943 | 1986 | 146,527,755 | 1985 | 146,469,203 | 1984 | 146,409,286 | 1983 | 145,099,416 | 1982 | 142,116,818 | 1981 | 138,341,366 | 1980 | 134,046,155 | 1979 | 129,151,586 | 1978 | 123,736,698 | 1977 | 117,803,498 | 1976 | 112,091,238 | 1975 | 106,475,319 | 1974 | 100,820,259 | 1973 | 96,057,644 | 1972 | 92,269,471 | 1971 | 89,683,988 | 1970 | 88,375,189 | 1969 | 87,915,935 | 1968 | 88,114,903 | 1967 | 88,604,138 | 1966 | 88,531,295 | 1965 | 87,833,840 | 1964 | 86,911,543 | 1963 | 85,714,469 | 1962 | 84,169,201 | 1961 | 82,678,637 | 1960 | 81,782,896 |
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