Year | Value | 2022 | 410,669 | 2021 | 404,950 | 2020 | 387,634 | 2019 | 370,453 | 2018 | 361,267 | 2017 | 358,112 | 2016 | 352,557 | 2015 | 342,905 | 2014 | 330,507 | 2013 | 317,502 | 2012 | 305,001 | 2011 | 296,310 | 2010 | 294,492 | 2009 | 298,202 | 2008 | 303,963 | 2007 | 313,651 | 2006 | 328,498 | 2005 | 347,529 | 2004 | 370,861 | 2003 | 391,832 | 2002 | 402,275 | 2001 | 402,194 | 2000 | 396,074 | 1999 | 385,360 | 1998 | 373,685 | 1997 | 367,692 | 1996 | 360,786 | 1995 | 347,967 | 1994 | 338,477 | 1993 | 332,938 | 1992 | 327,134 | 1991 | 325,019 | 1990 | 326,594 | 1989 | 326,055 | 1988 | 321,114 | 1987 | 314,360 | 1986 | 307,933 | 1985 | 303,390 | 1984 | 302,462 | 1983 | 305,965 | 1982 | 311,534 | 1981 | 318,433 | 1980 | 326,721 | 1979 | 334,365 | 1978 | 339,562 | 1977 | 342,564 | 1976 | 345,106 | 1975 | 347,461 | 1974 | 347,394 | 1973 | 347,499 | 1972 | 349,482 | 1971 | 351,041 | 1970 | 348,768 | 1969 | 342,512 | 1968 | 320,027 | 1967 | 283,225 | 1966 | 247,544 | 1965 | 219,022 | 1964 | 210,994 | 1963 | 230,455 | 1962 | 265,223 | 1961 | 299,274 | 1960 | 326,447 |
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