Year | Value | 2022 | 346,309 | 2021 | 365,079 | 2020 | 381,131 | 2019 | 390,050 | 2018 | 394,619 | 2017 | 396,777 | 2016 | 393,082 | 2015 | 385,517 | 2014 | 378,727 | 2013 | 371,598 | 2012 | 363,629 | 2011 | 357,083 | 2010 | 352,217 | 2009 | 347,875 | 2008 | 343,714 | 2007 | 340,365 | 2006 | 340,123 | 2005 | 342,261 | 2004 | 344,521 | 2003 | 345,511 | 2002 | 345,574 | 2001 | 345,220 | 2000 | 345,833 | 1999 | 349,316 | 1998 | 358,579 | 1997 | 373,887 | 1996 | 391,965 | 1995 | 409,921 | 1994 | 425,005 | 1993 | 433,854 | 1992 | 435,900 | 1991 | 433,710 | 1990 | 429,823 | 1989 | 424,608 | 1988 | 417,178 | 1987 | 407,286 | 1986 | 394,572 | 1985 | 381,445 | 1984 | 370,299 | 1983 | 361,886 | 1982 | 352,056 | 1981 | 336,809 | 1980 | 314,334 | 1979 | 286,295 | 1978 | 258,032 | 1977 | 238,446 | 1976 | 235,096 | 1975 | 248,642 | 1974 | 274,378 | 1973 | 306,324 | 1972 | 336,892 | 1971 | 359,302 | 1970 | 370,706 | 1969 | 372,391 | 1968 | 367,956 | 1967 | 362,126 | 1966 | 359,374 | 1965 | 361,619 | 1964 | 367,370 | 1963 | 374,437 | 1962 | 381,705 | 1961 | 386,746 | 1960 | 387,272 |
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