Year | Value | 2022 | 375,622 | 2021 | 373,696 | 2020 | 374,547 | 2019 | 375,190 | 2018 | 374,374 | 2017 | 372,199 | 2016 | 368,287 | 2015 | 362,480 | 2014 | 357,517 | 2013 | 356,082 | 2012 | 357,875 | 2011 | 362,583 | 2010 | 366,874 | 2009 | 371,935 | 2008 | 375,068 | 2007 | 376,250 | 2006 | 377,018 | 2005 | 379,280 | 2004 | 384,517 | 2003 | 391,317 | 2002 | 396,361 | 2001 | 399,381 | 2000 | 400,444 | 1999 | 399,330 | 1998 | 397,097 | 1997 | 394,703 | 1996 | 391,335 | 1995 | 387,561 | 1994 | 382,936 | 1993 | 376,772 | 1992 | 370,718 | 1991 | 364,480 | 1990 | 358,592 | 1989 | 354,072 | 1988 | 351,188 | 1987 | 350,062 | 1986 | 350,934 | 1985 | 347,747 | 1984 | 339,221 | 1983 | 328,835 | 1982 | 313,479 | 1981 | 293,257 | 1980 | 278,452 | 1979 | 273,947 | 1978 | 274,645 | 1977 | 279,581 | 1976 | 288,233 | 1975 | 295,676 | 1974 | 298,459 | 1973 | 298,990 | 1972 | 302,316 | 1971 | 309,392 | 1970 | 318,390 | 1969 | 325,504 | 1968 | 329,181 | 1967 | 330,175 | 1966 | 328,948 | 1965 | 327,910 | 1964 | 328,096 | 1963 | 330,015 | 1962 | 332,480 | 1961 | 336,039 | 1960 | 339,325 |
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