Year | Value | 2022 | 386,217 | 2021 | 380,726 | 2020 | 375,310 | 2019 | 370,822 | 2018 | 369,353 | 2017 | 371,565 | 2016 | 377,093 | 2015 | 384,281 | 2014 | 390,698 | 2013 | 395,123 | 2012 | 397,685 | 2011 | 399,485 | 2010 | 399,625 | 2009 | 403,601 | 2008 | 409,045 | 2007 | 412,542 | 2006 | 413,891 | 2005 | 412,914 | 2004 | 409,776 | 2003 | 406,116 | 2002 | 402,528 | 2001 | 398,185 | 2000 | 393,641 | 1999 | 388,865 | 1998 | 383,443 | 1997 | 378,612 | 1996 | 373,618 | 1995 | 369,052 | 1994 | 365,735 | 1993 | 363,430 | 1992 | 361,977 | 1991 | 362,361 | 1990 | 358,359 | 1989 | 348,293 | 1988 | 336,188 | 1987 | 319,263 | 1986 | 297,188 | 1985 | 280,831 | 1984 | 274,978 | 1983 | 273,869 | 1982 | 277,846 | 1981 | 286,320 | 1980 | 294,063 | 1979 | 297,454 | 1978 | 298,847 | 1977 | 302,226 | 1976 | 308,954 | 1975 | 316,763 | 1974 | 322,125 | 1973 | 324,783 | 1972 | 325,561 | 1971 | 324,244 | 1970 | 323,779 | 1969 | 325,765 | 1968 | 328,976 | 1967 | 331,534 | 1966 | 333,497 | 1965 | 335,278 | 1964 | 328,104 | 1963 | 304,802 | 1962 | 274,903 | 1961 | 248,885 | 1960 | 228,936 |
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