Year | Value | 2022 | 316,573 | 2021 | 312,997 | 2020 | 308,578 | 2019 | 302,926 | 2018 | 297,859 | 2017 | 295,232 | 2016 | 297,670 | 2015 | 302,053 | 2014 | 302,698 | 2013 | 299,144 | 2012 | 292,353 | 2011 | 284,123 | 2010 | 274,088 | 2009 | 261,707 | 2008 | 246,917 | 2007 | 231,507 | 2006 | 216,133 | 2005 | 200,087 | 2004 | 183,888 | 2003 | 167,859 | 2002 | 152,171 | 2001 | 137,640 | 2000 | 125,367 | 1999 | 115,740 | 1998 | 108,302 | 1997 | 101,676 | 1996 | 94,499 | 1995 | 86,264 | 1994 | 76,860 | 1993 | 70,023 | 1992 | 66,575 | 1991 | 63,692 | 1990 | 61,466 | 1989 | 59,867 | 1988 | 58,864 | 1987 | 58,491 | 1986 | 58,785 | 1985 | 59,736 | 1984 | 61,292 | 1983 | 63,442 | 1982 | 66,132 | 1981 | 69,241 | 1980 | 72,766 | 1979 | 73,674 | 1978 | 71,512 | 1977 | 68,960 | 1976 | 66,126 | 1975 | 63,035 | 1974 | 59,656 | 1973 | 56,260 | 1972 | 51,516 | 1971 | 46,695 | 1970 | 45,159 | 1969 | 44,794 | 1968 | 42,851 | 1967 | 39,955 | 1966 | 37,024 | 1965 | 34,103 | 1964 | 30,986 | 1963 | 27,594 | 1962 | 24,058 | 1961 | 22,087 | 1960 | 21,643 |
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