Year | Value | 2022 | 471,436 | 2021 | 464,774 | 2020 | 451,670 | 2019 | 437,249 | 2018 | 423,167 | 2017 | 410,384 | 2016 | 398,993 | 2015 | 380,105 | 2014 | 346,981 | 2013 | 307,313 | 2012 | 285,871 | 2011 | 280,075 | 2010 | 271,630 | 2009 | 264,722 | 2008 | 258,239 | 2007 | 251,908 | 2006 | 236,781 | 2005 | 222,000 | 2004 | 217,432 | 2003 | 213,771 | 2002 | 210,993 | 2001 | 208,484 | 2000 | 205,969 | 1999 | 203,277 | 1998 | 200,435 | 1997 | 197,121 | 1996 | 192,605 | 1995 | 186,206 | 1994 | 177,481 | 1993 | 166,640 | 1992 | 154,810 | 1991 | 143,150 | 1990 | 132,095 | 1989 | 122,625 | 1988 | 114,762 | 1987 | 107,442 | 1986 | 100,581 | 1985 | 94,206 | 1984 | 88,345 | 1983 | 82,946 | 1982 | 77,988 | 1981 | 73,521 | 1980 | 69,590 | 1979 | 66,285 | 1978 | 63,602 | 1977 | 61,275 | 1976 | 59,143 | 1975 | 57,197 | 1974 | 55,378 | 1973 | 53,658 | 1972 | 52,143 | 1971 | 50,841 | 1970 | 49,486 | 1969 | 47,872 | 1968 | 45,947 | 1967 | 43,798 | 1966 | 41,607 | 1965 | 39,486 | 1964 | 37,448 | 1963 | 35,511 | 1962 | 33,623 | 1961 | 31,699 | 1960 | 29,767 |
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