Year | Value | 2022 | 491,550 | 2021 | 469,150 | 2020 | 446,031 | 2019 | 422,413 | 2018 | 396,815 | 2017 | 369,394 | 2016 | 342,766 | 2015 | 317,579 | 2014 | 297,141 | 2013 | 281,412 | 2012 | 266,983 | 2011 | 254,183 | 2010 | 244,684 | 2009 | 236,187 | 2008 | 227,505 | 2007 | 221,695 | 2006 | 218,707 | 2005 | 217,294 | 2004 | 217,421 | 2003 | 218,933 | 2002 | 220,907 | 2001 | 222,295 | 2000 | 222,707 | 1999 | 222,204 | 1998 | 220,746 | 1997 | 217,900 | 1996 | 213,260 | 1995 | 207,321 | 1994 | 200,401 | 1993 | 192,516 | 1992 | 183,892 | 1991 | 174,706 | 1990 | 165,283 | 1989 | 156,319 | 1988 | 148,536 | 1987 | 142,065 | 1986 | 136,492 | 1985 | 131,311 | 1984 | 126,254 | 1983 | 121,121 | 1982 | 115,692 | 1981 | 110,013 | 1980 | 104,644 | 1979 | 99,801 | 1978 | 95,352 | 1977 | 91,378 | 1976 | 87,732 | 1975 | 84,265 | 1974 | 80,827 | 1973 | 77,073 | 1972 | 73,023 | 1971 | 69,208 | 1970 | 65,777 | 1969 | 62,615 | 1968 | 59,917 | 1967 | 57,922 | 1966 | 56,589 | 1965 | 55,567 | 1964 | 54,564 | 1963 | 53,555 | 1962 | 52,265 | 1961 | 50,460 | 1960 | 48,419 |
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