Year | Value | 2022 | 226,117 | 2021 | 225,854 | 2020 | 224,825 | 2019 | 226,807 | 2018 | 233,368 | 2017 | 244,834 | 2016 | 260,932 | 2015 | 279,884 | 2014 | 300,797 | 2013 | 323,105 | 2012 | 345,244 | 2011 | 366,222 | 2010 | 383,389 | 2009 | 394,193 | 2008 | 400,528 | 2007 | 403,592 | 2006 | 401,193 | 2005 | 396,237 | 2004 | 392,568 | 2003 | 388,110 | 2002 | 382,635 | 2001 | 377,494 | 2000 | 372,353 | 1999 | 366,480 | 1998 | 359,848 | 1997 | 354,211 | 1996 | 351,317 | 1995 | 349,641 | 1994 | 347,816 | 1993 | 344,446 | 1992 | 340,002 | 1991 | 337,094 | 1990 | 337,870 | 1989 | 343,336 | 1988 | 356,506 | 1987 | 376,422 | 1986 | 397,227 | 1985 | 417,814 | 1984 | 435,211 | 1983 | 445,642 | 1982 | 448,423 | 1981 | 445,775 | 1980 | 440,015 | 1979 | 432,386 | 1978 | 422,278 | 1977 | 410,629 | 1976 | 399,075 | 1975 | 387,344 | 1974 | 377,308 | 1973 | 368,926 | 1972 | 357,995 | 1971 | 342,054 | 1970 | 320,668 | 1969 | 294,356 | 1968 | 268,442 | 1967 | 251,521 | 1966 | 248,048 | 1965 | 258,122 | 1964 | 278,441 | 1963 | 303,625 | 1962 | 327,104 | 1961 | 343,882 | 1960 | 352,473 |
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