Year | Value | 2022 | 504,652 | 2021 | 511,068 | 2020 | 515,890 | 2019 | 521,678 | 2018 | 527,716 | 2017 | 528,762 | 2016 | 523,170 | 2015 | 501,338 | 2014 | 448,218 | 2013 | 376,947 | 2012 | 340,200 | 2011 | 334,871 | 2010 | 326,937 | 2009 | 320,043 | 2008 | 312,315 | 2007 | 303,324 | 2006 | 282,788 | 2005 | 262,407 | 2004 | 254,206 | 2003 | 247,665 | 2002 | 243,802 | 2001 | 242,079 | 2000 | 241,990 | 1999 | 243,235 | 1998 | 245,295 | 1997 | 247,239 | 1996 | 247,284 | 1995 | 243,326 | 1994 | 234,294 | 1993 | 221,020 | 1992 | 205,413 | 1991 | 189,490 | 1990 | 174,471 | 1989 | 162,968 | 1988 | 154,573 | 1987 | 146,423 | 1986 | 138,463 | 1985 | 130,593 | 1984 | 122,920 | 1983 | 115,597 | 1982 | 108,679 | 1981 | 102,313 | 1980 | 96,626 | 1979 | 91,665 | 1978 | 87,315 | 1977 | 83,357 | 1976 | 79,705 | 1975 | 76,309 | 1974 | 73,168 | 1973 | 70,318 | 1972 | 67,566 | 1971 | 64,665 | 1970 | 61,485 | 1969 | 57,952 | 1968 | 54,159 | 1967 | 50,551 | 1966 | 47,592 | 1965 | 45,437 | 1964 | 44,059 | 1963 | 43,259 | 1962 | 42,634 | 1961 | 41,779 | 1960 | 40,433 |
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