Year | Value | 2022 | 385,641 | 2021 | 387,883 | 2020 | 375,932 | 2019 | 354,469 | 2018 | 335,140 | 2017 | 322,764 | 2016 | 315,136 | 2015 | 316,823 | 2014 | 325,778 | 2013 | 337,423 | 2012 | 352,335 | 2011 | 366,348 | 2010 | 374,896 | 2009 | 376,306 | 2008 | 374,793 | 2007 | 377,311 | 2006 | 379,096 | 2005 | 377,898 | 2004 | 378,597 | 2003 | 378,817 | 2002 | 377,152 | 2001 | 378,563 | 2000 | 378,276 | 1999 | 372,851 | 1998 | 366,454 | 1997 | 357,845 | 1996 | 347,069 | 1995 | 330,772 | 1994 | 309,915 | 1993 | 277,952 | 1992 | 237,287 | 1991 | 208,067 | 1990 | 194,538 | 1989 | 192,261 | 1988 | 213,517 | 1987 | 254,720 | 1986 | 289,713 | 1985 | 312,044 | 1984 | 323,450 | 1983 | 325,675 | 1982 | 322,322 | 1981 | 316,175 | 1980 | 309,422 | 1979 | 302,324 | 1978 | 295,616 | 1977 | 287,625 | 1976 | 278,914 | 1975 | 273,123 | 1974 | 264,776 | 1973 | 251,588 | 1972 | 238,858 | 1971 | 227,295 | 1970 | 214,971 | 1969 | 202,988 | 1968 | 193,434 | 1967 | 183,614 | 1966 | 173,644 | 1965 | 166,440 | 1964 | 161,536 | 1963 | 157,710 | 1962 | 154,789 | 1961 | 152,000 | 1960 | 149,204 |
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