Year | Value | 2022 | 60,551 | 2021 | 58,068 | 2020 | 55,183 | 2019 | 51,920 | 2018 | 48,630 | 2017 | 45,582 | 2016 | 42,985 | 2015 | 40,822 | 2014 | 39,004 | 2013 | 37,549 | 2012 | 36,390 | 2011 | 35,400 | 2010 | 34,486 | 2009 | 33,604 | 2008 | 32,727 | 2007 | 31,828 | 2006 | 30,908 | 2005 | 29,982 | 2004 | 29,033 | 2003 | 28,004 | 2002 | 26,944 | 2001 | 26,024 | 2000 | 25,312 | 1999 | 24,762 | 1998 | 24,428 | 1997 | 24,214 | 1996 | 23,880 | 1995 | 23,360 | 1994 | 22,687 | 1993 | 21,843 | 1992 | 20,898 | 1991 | 20,099 | 1990 | 19,617 | 1989 | 19,455 | 1988 | 19,624 | 1987 | 19,745 | 1986 | 19,562 | 1985 | 19,206 | 1984 | 18,686 | 1983 | 18,019 | 1982 | 17,220 | 1981 | 16,414 | 1980 | 15,680 | 1979 | 14,991 | 1978 | 14,328 | 1977 | 13,707 | 1976 | 13,111 | 1975 | 12,523 | 1974 | 12,167 | 1973 | 12,076 | 1972 | 12,000 | 1971 | 11,876 | 1970 | 11,680 | 1969 | 11,410 | 1968 | 11,048 | 1967 | 10,628 | 1966 | 10,258 | 1965 | 10,001 | 1964 | 9,861 | 1963 | 9,853 | 1962 | 9,931 | 1961 | 9,957 | 1960 | 9,834 |
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