Year | Value | 2022 | 237,345 | 2021 | 226,290 | 2020 | 215,618 | 2019 | 206,449 | 2018 | 198,859 | 2017 | 192,328 | 2016 | 186,898 | 2015 | 182,386 | 2014 | 178,419 | 2013 | 175,121 | 2012 | 172,204 | 2011 | 169,537 | 2010 | 168,087 | 2009 | 167,863 | 2008 | 167,591 | 2007 | 166,718 | 2006 | 164,891 | 2005 | 161,578 | 2004 | 157,664 | 2003 | 154,848 | 2002 | 153,714 | 2001 | 153,928 | 2000 | 154,557 | 1999 | 154,339 | 1998 | 152,503 | 1997 | 148,877 | 1996 | 143,843 | 1995 | 137,143 | 1994 | 129,031 | 1993 | 120,735 | 1992 | 112,953 | 1991 | 106,023 | 1990 | 99,887 | 1989 | 94,250 | 1988 | 88,540 | 1987 | 82,182 | 1986 | 75,145 | 1985 | 67,907 | 1984 | 61,234 | 1983 | 56,620 | 1982 | 55,004 | 1981 | 56,001 | 1980 | 58,894 | 1979 | 62,653 | 1978 | 67,194 | 1977 | 71,956 | 1976 | 75,413 | 1975 | 77,010 | 1974 | 76,761 | 1973 | 74,287 | 1972 | 70,272 | 1971 | 66,709 | 1970 | 64,512 | 1969 | 63,346 | 1968 | 63,255 | 1967 | 63,782 | 1966 | 63,330 | 1965 | 61,030 | 1964 | 57,177 | 1963 | 51,902 | 1962 | 45,627 | 1961 | 39,774 | 1960 | 35,210 |
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