Year | Value | 2022 | 404,899 | 2021 | 403,771 | 2020 | 402,229 | 2019 | 398,078 | 2018 | 392,866 | 2017 | 388,212 | 2016 | 383,307 | 2015 | 377,494 | 2014 | 371,261 | 2013 | 365,270 | 2012 | 359,766 | 2011 | 353,886 | 2010 | 346,169 | 2009 | 341,268 | 2008 | 338,198 | 2007 | 336,118 | 2006 | 335,735 | 2005 | 331,562 | 2004 | 321,997 | 2003 | 310,947 | 2002 | 295,283 | 2001 | 274,180 | 2000 | 258,789 | 1999 | 253,342 | 1998 | 251,907 | 1997 | 255,150 | 1996 | 262,350 | 1995 | 268,704 | 1994 | 271,130 | 1993 | 271,475 | 1992 | 273,284 | 1991 | 278,241 | 1990 | 284,474 | 1989 | 288,740 | 1988 | 290,114 | 1987 | 289,710 | 1986 | 288,036 | 1985 | 286,469 | 1984 | 286,952 | 1983 | 289,253 | 1982 | 291,395 | 1981 | 293,437 | 1980 | 295,243 | 1979 | 289,577 | 1978 | 270,393 | 1977 | 244,628 | 1976 | 220,680 | 1975 | 201,622 | 1974 | 197,125 | 1973 | 211,433 | 1972 | 233,936 | 1971 | 253,435 | 1970 | 267,015 | 1969 | 273,440 | 1968 | 274,998 | 1967 | 276,452 | 1966 | 278,769 | 1965 | 281,004 | 1964 | 282,269 | 1963 | 282,932 | 1962 | 283,408 | 1961 | 285,663 | 1960 | 286,993 |
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