Year | Value | 2022 | 364,799 | 2021 | 358,117 | 2020 | 352,952 | 2019 | 347,342 | 2018 | 341,666 | 2017 | 336,777 | 2016 | 334,919 | 2015 | 335,417 | 2014 | 336,095 | 2013 | 335,628 | 2012 | 334,444 | 2011 | 332,743 | 2010 | 331,339 | 2009 | 332,287 | 2008 | 339,482 | 2007 | 353,548 | 2006 | 371,050 | 2005 | 389,659 | 2004 | 406,178 | 2003 | 417,817 | 2002 | 424,122 | 2001 | 425,061 | 2000 | 422,098 | 1999 | 417,281 | 1998 | 409,355 | 1997 | 397,754 | 1996 | 384,751 | 1995 | 371,704 | 1994 | 361,017 | 1993 | 353,165 | 1992 | 343,778 | 1991 | 329,705 | 1990 | 309,016 | 1989 | 281,738 | 1988 | 253,864 | 1987 | 234,707 | 1986 | 231,329 | 1985 | 245,675 | 1984 | 272,487 | 1983 | 306,072 | 1982 | 338,623 | 1981 | 361,790 | 1980 | 372,392 | 1979 | 371,615 | 1978 | 363,974 | 1977 | 356,337 | 1976 | 352,698 | 1975 | 355,138 | 1974 | 363,327 | 1973 | 372,882 | 1972 | 379,833 | 1971 | 382,586 | 1970 | 381,018 | 1969 | 375,376 | 1968 | 365,267 | 1967 | 349,779 | 1966 | 329,173 | 1965 | 305,030 | 1964 | 279,363 | 1963 | 254,157 | 1962 | 232,505 | 1961 | 217,723 | 1960 | 211,245 |
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