Year | Value | 2022 | 308,633 | 2021 | 307,591 | 2020 | 307,120 | 2019 | 308,649 | 2018 | 306,673 | 2017 | 302,385 | 2016 | 300,237 | 2015 | 296,706 | 2014 | 291,977 | 2013 | 286,211 | 2012 | 279,481 | 2011 | 272,482 | 2010 | 266,371 | 2009 | 261,970 | 2008 | 259,442 | 2007 | 258,457 | 2006 | 258,292 | 2005 | 257,791 | 2004 | 256,429 | 2003 | 254,494 | 2002 | 252,500 | 2001 | 251,199 | 2000 | 251,124 | 1999 | 252,186 | 1998 | 253,413 | 1997 | 253,841 | 1996 | 253,461 | 1995 | 252,674 | 1994 | 250,158 | 1993 | 245,655 | 1992 | 240,027 | 1991 | 232,856 | 1990 | 224,669 | 1989 | 216,999 | 1988 | 209,625 | 1987 | 202,078 | 1986 | 194,923 | 1985 | 187,616 | 1984 | 179,478 | 1983 | 171,759 | 1982 | 165,376 | 1981 | 159,404 | 1980 | 153,906 | 1979 | 149,841 | 1978 | 146,277 | 1977 | 141,998 | 1976 | 137,421 | 1975 | 132,748 | 1974 | 128,127 | 1973 | 123,642 | 1972 | 119,502 | 1971 | 115,961 | 1970 | 113,512 | 1969 | 112,676 | 1968 | 113,129 | 1967 | 114,028 | 1966 | 114,628 | 1965 | 114,537 | 1964 | 113,882 | 1963 | 112,729 | 1962 | 111,160 | 1961 | 109,776 | 1960 | 108,875 |
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