Year | Value | 2022 | 468,982 | 2021 | 468,718 | 2020 | 468,037 | 2019 | 468,830 | 2018 | 471,663 | 2017 | 474,061 | 2016 | 474,751 | 2015 | 474,149 | 2014 | 472,259 | 2013 | 468,648 | 2012 | 463,445 | 2011 | 457,286 | 2010 | 450,692 | 2009 | 444,373 | 2008 | 439,058 | 2007 | 434,253 | 2006 | 429,353 | 2005 | 424,442 | 2004 | 419,079 | 2003 | 412,928 | 2002 | 406,823 | 2001 | 401,999 | 2000 | 397,871 | 1999 | 393,635 | 1998 | 389,915 | 1997 | 386,514 | 1996 | 383,061 | 1995 | 379,871 | 1994 | 377,032 | 1993 | 373,290 | 1992 | 369,054 | 1991 | 365,633 | 1990 | 362,269 | 1989 | 358,702 | 1988 | 354,910 | 1987 | 350,274 | 1986 | 344,542 | 1985 | 338,075 | 1984 | 330,889 | 1983 | 322,735 | 1982 | 313,591 | 1981 | 303,416 | 1980 | 292,207 | 1979 | 280,885 | 1978 | 269,708 | 1977 | 258,161 | 1976 | 246,439 | 1975 | 234,810 | 1974 | 223,623 | 1973 | 213,703 | 1972 | 204,999 | 1971 | 196,679 | 1970 | 188,170 | 1969 | 179,389 | 1968 | 170,580 | 1967 | 162,487 | 1966 | 156,131 | 1965 | 151,457 | 1964 | 148,349 | 1963 | 146,659 | 1962 | 145,712 | 1961 | 144,735 | 1960 | 143,266 |
|