Year | Value | 2022 | 474,835 | 2021 | 477,626 | 2020 | 479,803 | 2019 | 480,952 | 2018 | 480,829 | 2017 | 480,352 | 2016 | 480,768 | 2015 | 481,594 | 2014 | 483,236 | 2013 | 486,185 | 2012 | 488,666 | 2011 | 489,397 | 2010 | 488,798 | 2009 | 486,893 | 2008 | 483,286 | 2007 | 478,131 | 2006 | 472,069 | 2005 | 465,611 | 2004 | 459,449 | 2003 | 454,261 | 2002 | 449,507 | 2001 | 444,744 | 2000 | 440,205 | 1999 | 435,469 | 1998 | 430,307 | 1997 | 425,611 | 1996 | 421,569 | 1995 | 417,391 | 1994 | 413,167 | 1993 | 409,349 | 1992 | 405,558 | 1991 | 401,422 | 1990 | 397,145 | 1989 | 392,659 | 1988 | 387,799 | 1987 | 383,288 | 1986 | 379,557 | 1985 | 375,891 | 1984 | 372,014 | 1983 | 367,846 | 1982 | 362,795 | 1981 | 356,634 | 1980 | 349,707 | 1979 | 342,310 | 1978 | 334,274 | 1977 | 325,408 | 1976 | 315,731 | 1975 | 305,311 | 1974 | 294,329 | 1973 | 282,994 | 1972 | 271,454 | 1971 | 259,814 | 1970 | 247,739 | 1969 | 235,727 | 1968 | 224,993 | 1967 | 215,149 | 1966 | 205,448 | 1965 | 195,973 | 1964 | 186,801 | 1963 | 177,690 | 1962 | 169,331 | 1961 | 162,728 | 1960 | 157,821 |
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