Year | Value | 2022 | 140,325 | 2021 | 140,330 | 2020 | 140,493 | 2019 | 139,946 | 2018 | 138,543 | 2017 | 136,133 | 2016 | 132,457 | 2015 | 127,706 | 2014 | 122,565 | 2013 | 117,344 | 2012 | 111,992 | 2011 | 106,265 | 2010 | 100,255 | 2009 | 94,062 | 2008 | 87,590 | 2007 | 81,029 | 2006 | 74,412 | 2005 | 67,932 | 2004 | 62,177 | 2003 | 57,533 | 2002 | 54,400 | 2001 | 52,480 | 2000 | 50,605 | 1999 | 48,384 | 1998 | 46,104 | 1997 | 44,162 | 1996 | 39,355 | 1995 | 34,268 | 1994 | 49,846 | 1993 | 67,063 | 1992 | 68,530 | 1991 | 70,494 | 1990 | 72,152 | 1989 | 73,198 | 1988 | 73,609 | 1987 | 73,138 | 1986 | 72,059 | 1985 | 70,593 | 1984 | 68,598 | 1983 | 65,937 | 1982 | 62,559 | 1981 | 58,537 | 1980 | 54,302 | 1979 | 50,200 | 1978 | 46,199 | 1977 | 42,473 | 1976 | 39,254 | 1975 | 36,680 | 1974 | 34,775 | 1973 | 33,611 | 1972 | 33,068 | 1971 | 32,779 | 1970 | 32,516 | 1969 | 32,335 | 1968 | 32,287 | 1967 | 32,138 | 1966 | 31,838 | 1965 | 31,507 | 1964 | 31,120 | 1963 | 30,659 | 1962 | 30,221 | 1961 | 29,881 | 1960 | 29,621 |
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