1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
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3.8 6.1 5.2 3.3 3.0 2.9 5.6 4.4 4.1 4.3 6.8 5.5 5.5 6.7 5.6 5.6 5.2 4.5 3.8 3.8
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1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987
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3.6 3.5 5.0 6.0 5.6 4.9 5.6 8.5 7.7 7.1 6.1 5.9 7.2 7.6 9.7 9.6 7.5 7.2 7.0 6.2
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1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
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5.5 5.3 5.6 6.9 7.5 6.9 6.1 5.6 5.4 4.9 4.5 4.2 4.0 4.7 5.8 6.0 5.5 5.1 4.6 4.6
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2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
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5.8 9.3 9.6 9.0 8.1 7.5 6.2 5.3 4.9 4.4 3.9
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