Year | Value | 2022 | 174,174 | 2021 | 178,626 | 2020 | 178,949 | 2019 | 173,451 | 2018 | 166,224 | 2017 | 159,780 | 2016 | 154,420 | 2015 | 150,523 | 2014 | 148,435 | 2013 | 148,109 | 2012 | 148,812 | 2011 | 150,546 | 2010 | 151,875 | 2009 | 151,879 | 2008 | 151,182 | 2007 | 149,710 | 2006 | 147,696 | 2005 | 144,674 | 2004 | 140,815 | 2003 | 136,891 | 2002 | 132,732 | 2001 | 128,160 | 2000 | 123,412 | 1999 | 119,155 | 1998 | 115,515 | 1997 | 111,941 | 1996 | 108,506 | 1995 | 105,622 | 1994 | 103,168 | 1993 | 100,575 | 1992 | 97,771 | 1991 | 94,855 | 1990 | 91,805 | 1989 | 88,624 | 1988 | 85,366 | 1987 | 81,980 | 1986 | 78,466 | 1985 | 74,891 | 1984 | 71,336 | 1983 | 67,826 | 1982 | 64,380 | 1981 | 61,052 | 1980 | 57,878 | 1979 | 54,881 | 1978 | 52,234 | 1977 | 49,986 | 1976 | 48,073 | 1975 | 46,516 | 1974 | 45,282 | 1973 | 44,325 | 1972 | 43,602 | 1971 | 42,989 | 1970 | 42,391 | 1969 | 41,857 | 1968 | 41,415 | 1967 | 41,031 | 1966 | 40,673 | 1965 | 40,307 | 1964 | 39,936 | 1963 | 39,585 | 1962 | 39,251 | 1961 | 38,945 | 1960 | 38,692 |
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