JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1949 -0.4 -0.3 -0.1 -0.3 -0.4 -0.5 -0.8 -1.1 -1.1 -1.2 -1.4 -1.4 1950 -1.4 -1.2 -1.1 -1.0 -0.9 -0.8 -0.8 -0.7 -0.7 -0.7 -0.7 -0.6 1951 -0.5 -0.3 -0.2 0.0 0.2 0.4 0.5 0.7 0.7 0.6 0.6 0.5 1952 0.4 0.3 0.2 -0.1 -0.3 -0.4 -0.5 -0.5 -0.4 -0.4 -0.3 -0.2 1953 -0.1 0.1 0.2 0.3 0.4 0.4 0.4 0.3 0.3 0.2 0.2 0.1 1954 0.0 -0.3 -0.5 -0.8 -0.9 -1.1 -1.1 -1.0 -1.0 -1.1 -1.0 -0.9 1955 -0.8 -0.8 -0.8 -0.9 -1.0 -1.0 -1.1 -1.2 -1.4 -1.5 -1.5 -1.3 1956 -1.0 -0.7 -0.6 -0.4 -0.5 -0.5 -0.6 -0.6 -0.7 -0.8 -0.9 -0.8 1957 -0.6 -0.3 0.0 0.4 0.7 0.8 0.8 0.9 0.9 1.0 1.0 1.1 1958 1.0 0.9 0.6 0.4 0.2 0.1 0.0 -0.1 -0.1 -0.2 -0.2 -0.2 1959 -0.1 -0.1 -0.1 -0.1 -0.3 -0.3 -0.4 -0.4 -0.4 -0.3 -0.2 -0.2 1960 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.3 -0.4 -0.4 -0.5 -0.5 1961 -0.3 -0.2 -0.1 -0.1 -0.3 -0.4 -0.6 -0.8 -0.9 -0.8 -0.7 -0.5 1962 -0.3 -0.4 -0.5 -0.5 -0.6 -0.6 -0.6 -0.5 -0.6 -0.7 -0.7 -0.7 1963 -0.6 -0.5 -0.3 -0.1 0.1 0.3 0.4 0.5 0.6 0.7 0.6 0.5 1964 0.4 0.0 -0.5 -0.9 -1.0 -1.2 -1.2 -1.1 -1.0 -1.1 -1.0 -0.9 1965 -0.8 -0.5 -0.1 0.2 0.4 0.6 0.8 0.9 1.1 1.2 1.2 1.1 1966 0.8 0.6 0.1 -0.2 -0.3 -0.4 -0.5 -0.4 -0.4 -0.6 -0.6 -0.6 1967 -0.6 -0.7 -0.6 -0.5 -0.5 -0.5 -0.6 -0.7 -0.9 -1.1 -1.1 -1.1 1968 -1.1 -1.1 -1.0 -0.8 -0.5 -0.3 -0.1 0.1 0.1 0.2 0.3 0.4 1969 0.4 0.5 0.5 0.5 0.4 0.4 0.5 0.5 0.5 0.7 0.8 0.7 1970 0.6 0.4 0.1 -0.4 -0.7 -1.0 -1.3 -1.3 -1.3 -1.3 -1.2 -1.3 1971 -1.3 -1.2 -1.1 -1.0 -0.8 -0.8 -0.8 -0.9 -0.9 -1.1 -1.0 -0.9 1972 -0.7 -0.4 -0.1 0.2 0.5 0.9 1.1 1.4 1.7 1.9 1.9 1.8 1973 1.5 1.0 0.3 -0.2 -0.6 -0.9 -1.1 -1.2 -1.3 -1.4 -1.5 -1.5 1974 -1.4 -1.2 -0.9 -0.6 -0.5 -0.4 -0.4 -0.4 -0.5 -0.6 -0.6 -0.7 1975 -0.6 -0.6 -0.6 -0.7 -0.8 -0.8 -1.0 -1.1 -1.1 -1.2 -1.3 -1.3 1976 -1.1 -1.0 -0.7 -0.3 0.0 0.2 0.5 0.8 0.9 0.9 0.9 0.8 1977 0.7 0.4 0.3 0.1 0.0 -0.2 -0.2 -0.1 0.0 0.0 0.2 0.2 1978 0.2 -0.1 -0.3 -0.5 -0.7 -0.9 -0.9 -0.8 -0.6 -0.4 -0.2 -0.1 1979 0.0 0.0 0.0 0.1 0.1 0.0 0.1 0.1 0.2 0.4 0.4 0.3 1980 0.2 0.2 0.1 0.0 0.0 0.0 0.0 -0.1 -0.2 -0.2 -0.2 -0.4 1981 -0.4 -0.5 -0.5 -0.4 -0.4 -0.4 -0.3 -0.3 -0.3 -0.2 0.0 0.0 1982 0.0 0.0 0.1 0.2 0.3 0.5 0.9 1.2 1.5 2.0 2.4 2.5 1983 2.5 2.3 2.0 1.8 1.5 1.3 1.1 0.7 0.1 -0.2 -0.4 -0.5 1984 -0.4 -0.3 -0.3 -0.4 -0.6 -0.7 -0.7 -0.8 -0.7 -0.8 -0.9 -1.0 1985 -1.0 -1.0 -1.0 -0.9 -0.9 -0.8 -0.7 -0.7 -0.7 -0.6 -0.7 -0.6 1986 -0.5 -0.4 -0.4 -0.3 -0.1 -0.1 0.1 0.2 0.4 0.5 0.7 0.9 1987 1.0 1.0 1.0 1.0 1.1 1.2 1.3 1.3 1.3 1.3 1.1 0.8 1988 0.5 0.2 -0.4 -0.9 -1.3 -1.6 -1.7 -1.7 -1.6 -1.6 -1.6 -1.5 1989 -1.4 -1.2 -1.0 -0.8 -0.7 -0.6 -0.5 -0.4 -0.4 -0.5 -0.4 -0.3 1990 -0.3 -0.1 0.0 0.1 0.1 0.2 0.2 0.1 0.0 0.0 0.0 -0.1 1991 -0.1 0.0 0.1 0.3 0.5 0.6 0.7 0.7 0.7 0.8 1.0 1.2 1992 1.2 1.2 1.2 1.0 0.8 0.5 0.3 0.0 -0.2 -0.2 -0.2 -0.1 1993 0.1 0.3 0.5 0.7 0.6 0.6 0.4 0.3 0.2 0.2 0.2 0.2 1994 0.1 -0.1 -0.1 -0.2 -0.2 -0.2 -0.1 0.0 0.2 0.4 0.6 0.7 1995 0.6 0.3 0.0 -0.3 -0.4 -0.5 -0.6 -0.6 -0.7 -0.8 -0.8 -0.8 1996 -0.7 -0.6 -0.6 -0.6 -0.5 -0.5 -0.5 -0.5 -0.4 -0.6 -0.7 -0.7 1997 -0.6 -0.5 -0.1 0.4 0.9 1.5 2.1 2.5 2.9 3.1 3.2 3.1 1998 2.9 2.5 2.1 1.4 0.8 0.3 -0.1 -0.6 -0.7 -0.9 -1.1 -1.1 1999 -1.0 -1.0 -0.8 -0.7 -0.7 -0.8 -0.8 -0.9 -1.1 -1.3 -1.4 -1.4 2000 -1.3 -1.0 -0.7 -0.5 -0.4 -0.4 -0.4 -0.5 -0.5 -0.6 -0.6 -0.6 2001 -0.5 -0.3 -0.2 -0.1 -0.1 -0.1 -0.2 -0.3 -0.4 -0.5 -0.5 -0.4 2002 -0.3 -0.2 0.0 0.2 0.3 0.4 0.5 0.6 0.8 0.9 1.0 0.9 2003 0.8 0.4 0.0 -0.2 -0.3 -0.3 -0.2 0.0 0.2 0.3 0.4 0.4 2004 0.3 0.2 0.1 0.0 -0.1 -0.1 0.0 0.1 0.3 0.4 0.4 0.3 2005 0.2 0.1 0.1 0.1 0.2 0.2 0.2 0.0 -0.2 -0.5 -0.7 -0.7 2006 -0.8 -0.7 -0.4 -0.3 -0.2 0.0 0.3 0.5 0.7 0.9 1.0 0.8 2007 0.6 0.2 -0.2 -0.5 -0.6 -0.8 -0.9 -1.0 -1.2 -1.4 -1.4 -1.5 2008 -1.3 -1.1 -0.8 -0.5 -0.1 0.1 0.2 0.2 0.2 0.0 -0.2 -0.4 2009 -0.5 -0.5 -0.3 0.0 0.3 0.5 0.7 0.8 0.9 1.0 1.1 1.1 2010 1.1 0.9 0.6 0.3 -0.1 -0.4 -0.8 -1.1 -1.2 -1.4 -1.4 -1.4 2011 -1.2 -0.9 -0.7 -0.4 -0.2 -0.2 -0.2 -0.4 -0.6 -0.8 -0.8 -0.7 2012 -0.6 -0.3 -0.1 0.1 0.3 0.4 0.5 0.4 0.4 0.2 -0.1 -0.2 2013 -0.2 -0.3 -0.4 -0.4 -0.5 -0.6 -0.6 -0.5 -0.4 -0.3 -0.2 -0.3 2014 -0.3 -0.2 -0.1 0.1 0.3 0.4 0.4 0.5 0.5 0.6 0.6 0.5 2015 0.4 0.4 0.5 0.7 1.1 1.5 1.9 2.2 2.5 2.6 2.7 2.6 2016 2.4 2.0 1.4 0.9 0.4 0.0 -0.2 -0.4 -0.4 -0.4 -0.3 -0.2 2017 0.0 0.2 0.4 0.4 0.4 0.2 0.0 -0.2 -0.5 -0.7 -0.9 -1.0 2018 -1.0 -0.9 -0.7 -0.4 -0.1 0.0 0.2 0.4 0.5 0.6 0.7 0.8 2019 0.8 0.7 0.7 0.6 0.5 0.3 0.1 0.0 0.1 0.1 0.2 0.3 2020 0.3 0.3 0.2 0.0 -0.1 -0.3 -0.6 -0.8 -0.9 -1.0 -0.9 -0.8 2021 -0.7 -0.6 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9