Year | Value | 2022 | 280,845 | 2021 | 266,821 | 2020 | 274,431 | 2019 | 284,403 | 2018 | 293,615 | 2017 | 302,132 | 2016 | 311,252 | 2015 | 318,369 | 2014 | 321,619 | 2013 | 322,961 | 2012 | 322,476 | 2011 | 325,523 | 2010 | 330,434 | 2009 | 331,400 | 2008 | 331,609 | 2007 | 334,793 | 2006 | 340,693 | 2005 | 347,847 | 2004 | 359,004 | 2003 | 375,293 | 2002 | 392,355 | 2001 | 408,591 | 2000 | 424,265 | 1999 | 436,647 | 1998 | 437,872 | 1997 | 429,345 | 1996 | 415,791 | 1995 | 397,647 | 1994 | 379,562 | 1993 | 370,000 | 1992 | 366,695 | 1991 | 361,090 | 1990 | 352,133 | 1989 | 344,260 | 1988 | 336,092 | 1987 | 325,746 | 1986 | 321,178 | 1985 | 324,375 | 1984 | 330,932 | 1983 | 340,191 | 1982 | 354,310 | 1981 | 374,676 | 1980 | 400,940 | 1979 | 432,035 | 1978 | 458,831 | 1977 | 472,098 | 1976 | 473,256 | 1975 | 466,202 | 1974 | 451,351 | 1973 | 435,464 | 1972 | 427,277 | 1971 | 417,983 | 1970 | 402,405 | 1969 | 391,422 | 1968 | 383,741 | 1967 | 375,452 | 1966 | 372,119 | 1965 | 373,235 | 1964 | 368,260 | 1963 | 358,451 | 1962 | 349,259 | 1961 | 339,889 | 1960 | 332,915 |
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