Year | Value | 2022 | 321,069 | 2021 | 320,911 | 2020 | 321,413 | 2019 | 322,586 | 2018 | 324,192 | 2017 | 325,998 | 2016 | 328,181 | 2015 | 330,552 | 2014 | 332,681 | 2013 | 334,486 | 2012 | 335,704 | 2011 | 335,848 | 2010 | 334,833 | 2009 | 332,836 | 2008 | 329,950 | 2007 | 326,256 | 2006 | 321,984 | 2005 | 317,597 | 2004 | 314,317 | 2003 | 312,071 | 2002 | 310,033 | 2001 | 308,018 | 2000 | 305,600 | 1999 | 302,713 | 1998 | 299,371 | 1997 | 295,481 | 1996 | 291,181 | 1995 | 285,877 | 1994 | 279,468 | 1993 | 272,750 | 1992 | 265,666 | 1991 | 258,162 | 1990 | 250,338 | 1989 | 242,275 | 1988 | 234,143 | 1987 | 226,197 | 1986 | 218,526 | 1985 | 211,227 | 1984 | 204,482 | 1983 | 198,267 | 1982 | 192,507 | 1981 | 187,170 | 1980 | 182,095 | 1979 | 177,171 | 1978 | 172,329 | 1977 | 167,481 | 1976 | 162,665 | 1975 | 157,914 | 1974 | 153,248 | 1973 | 148,663 | 1972 | 144,447 | 1971 | 140,389 | 1970 | 136,254 | 1969 | 131,696 | 1968 | 126,222 | 1967 | 119,946 | 1966 | 113,060 | 1965 | 106,052 | 1964 | 99,818 | 1963 | 94,821 | 1962 | 90,955 | 1961 | 88,036 | 1960 | 85,581 |
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