Year | Value | 2022 | 240,036 | 2021 | 239,579 | 2020 | 238,880 | 2019 | 237,645 | 2018 | 235,621 | 2017 | 233,264 | 2016 | 231,866 | 2015 | 231,406 | 2014 | 231,531 | 2013 | 231,348 | 2012 | 230,256 | 2011 | 228,598 | 2010 | 226,988 | 2009 | 224,425 | 2008 | 220,559 | 2007 | 215,808 | 2006 | 209,510 | 2005 | 201,642 | 2004 | 193,810 | 2003 | 186,227 | 2002 | 178,155 | 2001 | 170,444 | 2000 | 162,997 | 1999 | 154,985 | 1998 | 147,452 | 1997 | 141,430 | 1996 | 136,052 | 1995 | 130,988 | 1994 | 127,030 | 1993 | 123,674 | 1992 | 120,056 | 1991 | 116,410 | 1990 | 112,840 | 1989 | 109,340 | 1988 | 105,992 | 1987 | 103,042 | 1986 | 100,677 | 1985 | 99,024 | 1984 | 98,156 | 1983 | 98,069 | 1982 | 98,505 | 1981 | 99,010 | 1980 | 99,260 | 1979 | 99,107 | 1978 | 98,448 | 1977 | 97,425 | 1976 | 96,542 | 1975 | 96,092 | 1974 | 96,031 | 1973 | 96,318 | 1972 | 96,936 | 1971 | 97,540 | 1970 | 98,064 | 1969 | 98,624 | 1968 | 99,107 | 1967 | 99,468 | 1966 | 99,762 | 1965 | 100,101 | 1964 | 100,573 | 1963 | 101,091 | 1962 | 101,453 | 1961 | 101,413 | 1960 | 100,731 |
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