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