Year | Value | 2022 | 347,139 | 2021 | 347,923 | 2020 | 344,200 | 2019 | 335,220 | 2018 | 321,811 | 2017 | 307,855 | 2016 | 296,200 | 2015 | 285,374 | 2014 | 274,829 | 2013 | 264,470 | 2012 | 253,569 | 2011 | 241,811 | 2010 | 229,214 | 2009 | 216,059 | 2008 | 203,482 | 2007 | 192,623 | 2006 | 184,710 | 2005 | 179,974 | 2004 | 178,273 | 2003 | 179,176 | 2002 | 181,461 | 2001 | 184,304 | 2000 | 187,176 | 1999 | 189,922 | 1998 | 192,437 | 1997 | 194,270 | 1996 | 195,209 | 1995 | 195,323 | 1994 | 194,535 | 1993 | 192,692 | 1992 | 190,041 | 1991 | 187,018 | 1990 | 183,893 | 1989 | 180,667 | 1988 | 177,234 | 1987 | 173,607 | 1986 | 169,808 | 1985 | 165,879 | 1984 | 161,939 | 1983 | 158,033 | 1982 | 154,141 | 1981 | 150,234 | 1980 | 146,348 | 1979 | 142,451 | 1978 | 138,458 | 1977 | 134,294 | 1976 | 129,917 | 1975 | 125,381 | 1974 | 120,642 | 1973 | 115,466 | 1972 | 109,930 | 1971 | 104,257 | 1970 | 98,463 | 1969 | 92,746 | 1968 | 87,561 | 1967 | 83,126 | 1966 | 79,445 | 1965 | 76,577 | 1964 | 74,438 | 1963 | 72,921 | 1962 | 71,859 | 1961 | 71,014 | 1960 | 70,267 |
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