Year | Value | 2022 | 418,572 | 2021 | 410,895 | 2020 | 403,814 | 2019 | 397,918 | 2018 | 395,342 | 2017 | 398,090 | 2016 | 405,762 | 2015 | 417,508 | 2014 | 433,139 | 2013 | 450,738 | 2012 | 467,946 | 2011 | 483,554 | 2010 | 496,802 | 2009 | 506,891 | 2008 | 515,487 | 2007 | 524,903 | 2006 | 534,821 | 2005 | 543,918 | 2004 | 550,931 | 2003 | 553,991 | 2002 | 551,883 | 2001 | 545,563 | 2000 | 536,014 | 1999 | 525,577 | 1998 | 516,343 | 1997 | 508,873 | 1996 | 502,593 | 1995 | 496,574 | 1994 | 489,445 | 1993 | 479,556 | 1992 | 466,570 | 1991 | 451,872 | 1990 | 438,302 | 1989 | 427,349 | 1988 | 419,124 | 1987 | 413,505 | 1986 | 409,638 | 1985 | 406,168 | 1984 | 401,656 | 1983 | 395,672 | 1982 | 388,455 | 1981 | 380,047 | 1980 | 370,580 | 1979 | 360,754 | 1978 | 350,725 | 1977 | 340,233 | 1976 | 329,563 | 1975 | 318,421 | 1974 | 306,339 | 1973 | 293,430 | 1972 | 280,006 | 1971 | 266,398 | 1970 | 253,528 | 1969 | 242,003 | 1968 | 231,134 | 1967 | 222,062 | 1966 | 216,167 | 1965 | 213,668 | 1964 | 213,738 | 1963 | 214,921 | 1962 | 215,483 | 1961 | 214,007 | 1960 | 211,130 |
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