Year | Value | 2022 | 292,381 | 2021 | 288,858 | 2020 | 282,194 | 2019 | 275,696 | 2018 | 272,337 | 2017 | 272,418 | 2016 | 273,980 | 2015 | 277,018 | 2014 | 281,362 | 2013 | 285,820 | 2012 | 290,001 | 2011 | 293,145 | 2010 | 296,292 | 2009 | 303,231 | 2008 | 313,635 | 2007 | 325,677 | 2006 | 338,534 | 2005 | 352,227 | 2004 | 364,278 | 2003 | 373,839 | 2002 | 384,179 | 2001 | 394,396 | 2000 | 401,161 | 1999 | 407,005 | 1998 | 412,492 | 1997 | 414,291 | 1996 | 412,648 | 1995 | 408,491 | 1994 | 403,115 | 1993 | 398,404 | 1992 | 394,259 | 1991 | 390,374 | 1990 | 388,229 | 1989 | 389,194 | 1988 | 392,498 | 1987 | 396,377 | 1986 | 399,833 | 1985 | 402,268 | 1984 | 401,959 | 1983 | 399,090 | 1982 | 395,255 | 1981 | 388,189 | 1980 | 378,763 | 1979 | 370,657 | 1978 | 362,846 | 1977 | 356,009 | 1976 | 350,740 | 1975 | 340,095 | 1974 | 325,473 | 1973 | 317,520 | 1972 | 309,808 | 1971 | 301,378 | 1970 | 297,848 | 1969 | 298,586 | 1968 | 301,290 | 1967 | 304,290 | 1966 | 306,680 | 1965 | 308,995 | 1964 | 312,157 | 1963 | 315,177 | 1962 | 320,694 | 1961 | 329,872 | 1960 | 338,418 |
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