JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1949 -0.5 -0.6 -0.4 -0.5 -0.8 -0.7 -0.7 -0.6 -0.6 -0.4 -0.7 -0.5 1950 -0.6 -0.5 -0.3 -0.4 -0.6 -0.5 -0.4 -0.5 -0.6 -0.5 -0.5 -0.5 1951 -0.4 -0.6 -0.3 -0.4 -0.5 -0.5 -0.6 -0.6 -0.4 -0.4 -0.3 -0.6 1952 -0.5 -0.3 -0.3 -0.4 -0.7 -0.4 -0.5 -0.5 -0.4 -0.2 -0.4 -0.6 1953 -0.3 -0.2 -0.1 -0.4 -0.6 -0.7 -0.6 -0.7 -0.8 -0.6 -0.7 -0.5 1954 -0.3 -0.2 -0.4 -0.4 -0.6 -0.6 -0.5 -0.4 -0.6 -0.4 -0.7 -0.6 1955 -0.5 -0.4 -0.3 -0.6 -0.8 -0.7 -0.6 -0.3 -0.3 -0.4 -0.3 -0.5 1956 -0.6 -0.4 -0.4 -0.6 -0.8 -0.9 -0.5 -0.5 -0.7 -0.6 -0.5 -0.4 1957 -0.5 -0.5 -0.4 -0.5 -0.6 -0.5 -0.4 -0.4 -0.7 -0.6 -0.6 -0.7 1958 -0.7 -0.7 -0.7 -0.7 -0.9 -0.9 -0.8 -0.6 -0.7 -0.7 -0.8 -0.8 1959 -0.8 -0.9 -0.8 -0.9 -0.9 -0.8 -0.7 -0.7 -0.8 -0.9 -0.8 -0.7 1960 -0.6 -0.6 -0.5 -0.8 -0.7 -0.6 -0.4 -0.5 -0.5 -0.5 -0.4 -0.7 1961 -0.6 -0.3 -0.4 -0.4 -0.8 -0.7 -0.8 -0.9 -1.0 -1.0 -0.9 -0.8 1962 -0.6 -0.6 -0.6 -0.6 -0.8 -0.6 -0.6 -0.6 -0.6 -0.6 -0.8 -0.8 1963 -0.5 -0.5 -0.4 -0.3 -0.6 -0.6 -0.6 -0.7 -0.7 -0.8 -0.5 -0.3 1964 -0.4 -0.6 -0.4 -0.4 -0.5 -0.5 -0.4 -0.4 -0.4 -0.4 -0.6 -0.7 1965 -0.6 -0.6 -0.6 -0.5 -0.8 -0.9 -1.2 -0.9 -1.0 -1.0 -0.8 -0.9 1966 -1.0 -1.1 -0.9 -0.6 -0.8 -0.6 -0.5 -0.3 -0.5 -0.4 -0.5 -0.6 1967 -0.6 -0.6 -0.6 -0.6 -0.7 -0.6 -0.6 -0.6 -0.7 -0.8 -1.1 -0.9 1968 -0.6 -0.6 -0.6 -0.6 -0.4 -0.1 0.0 -0.2 -0.3 -0.3 -0.6 -0.7 1969 -0.7 -0.8 -0.7 -0.5 -0.5 -0.4 -0.5 -0.5 -0.3 -0.2 -0.4 -0.4 1970 -0.3 -0.2 -0.2 -0.4 -0.5 -0.4 -0.3 -0.2 0.0 0.0 -0.1 -0.3 1971 -0.2 -0.1 0.0 -0.2 -0.5 -0.8 -0.8 -0.5 -0.4 -0.7 -0.6 -0.6 1972 -0.4 -0.4 -0.4 -0.6 -0.7 -0.8 -0.8 -1.0 -0.9 -0.8 -0.7 -0.8 1973 -0.9 -0.9 -0.8 -0.7 -0.7 -0.4 -0.3 0.0 -0.2 -0.4 -0.5 -0.2 1974 -0.1 -0.2 -0.4 -0.7 -0.8 -0.7 -0.6 -0.5 -0.4 -0.4 -0.6 -0.7 1975 -0.7 -0.6 -0.6 -0.5 -0.6 -0.6 -0.5 -0.5 -0.4 -0.5 -0.5 -0.4 1976 -0.2 -0.4 -0.5 -0.7 -1.0 -0.9 -0.8 -0.9 -1.2 -0.7 -0.6 -0.6 1977 -0.6 -0.5 -0.4 -0.6 -0.6 -0.5 -0.5 -0.5 -0.7 -0.5 -0.5 -0.5 1978 -0.7 -0.9 -0.7 -0.7 -0.6 -0.1 -0.1 -0.2 -0.3 -0.5 -0.6 -0.5 1979 -0.3 -0.4 -0.4 -0.5 -0.5 -0.4 -0.6 -0.6 -0.3 -0.7 -0.6 -0.6 1980 -0.7 -0.7 -0.6 -0.5 -0.6 -0.6 -0.6 -0.4 -0.5 -0.6 -0.4 -0.1 1981 -0.3 -0.3 -0.3 -0.3 0.0 -0.1 0.0 -0.2 -0.3 -0.3 -0.1 -0.3 1982 -0.1 -0.1 -0.1 -0.2 -0.4 -0.4 -0.8 -0.8 -0.9 -0.8 -0.5 -0.6 1983 -0.9 -1.0 -0.9 -0.8 -1.0 -0.5 -0.5 -0.4 -0.2 -0.4 -0.4 -0.3 1984 -0.1 0.0 0.0 -0.1 -0.1 -0.4 -0.1 -0.2 -0.1 -0.4 -0.5 -0.5 1985 -0.5 -0.4 -0.3 -0.2 -0.2 -0.3 -0.5 -0.4 -0.4 -0.5 -0.1 -0.2 1986 -0.2 -0.4 -0.2 -0.2 0.0 -0.2 -0.4 -0.5 -0.6 -0.4 -0.4 -0.7 1987 -0.7 -0.7 -0.5 -0.3 -0.2 -0.2 -0.5 -0.4 -0.5 -0.4 -0.2 -0.3 1988 -0.3 -0.4 -0.2 0.0 -0.3 -0.1 0.0 0.2 0.2 0.0 -0.1 0.0 1989 0.2 0.2 0.1 0.0 -0.4 -0.4 -0.3 -0.2 -0.1 -0.2 -0.3 -0.5 1990 -0.4 -0.4 -0.4 -0.4 -0.2 -0.3 -0.5 -0.3 -0.6 -0.3 -0.6 -1.0 1991 -0.9 -0.8 -0.6 -0.4 -0.5 -0.4 -0.4 -0.6 -0.7 -0.8 -0.7 -0.9 1992 -0.9 -0.8 -0.9 -0.6 -0.5 -0.4 -0.6 -0.4 -0.5 -0.4 -0.7 -0.8 1993 -1.0 -0.9 -0.7 -0.6 -0.8 -0.6 -0.6 -0.8 -0.7 -0.7 -0.3 -0.4 1994 -0.5 -0.2 -0.1 0.0 -0.2 -0.2 -0.3 -0.2 -0.5 -0.4 -0.4 -0.6 1995 -0.6 -0.5 -0.5 -0.5 -0.3 -0.1 0.0 0.3 0.2 0.2 0.2 0.2 1996 0.0 0.0 0.0 0.0 0.0 -0.1 0.2 0.2 0.3 0.3 -0.1 -0.1 1997 -0.2 -0.2 -0.4 -0.3 -0.2 -0.1 -0.3 -0.7 -0.5 -0.1 -0.3 -0.4 1998 -0.7 -0.7 -0.7 -0.6 -0.5 -0.1 0.3 0.5 0.6 0.3 0.2 0.2 1999 0.4 0.5 0.4 0.1 -0.1 -0.2 -0.1 -0.2 -0.1 0.1 0.1 0.1 2000 0.3 0.3 0.3 0.2 0.0 0.0 0.0 0.2 0.1 0.1 0.1 0.1 2001 0.4 0.3 0.2 0.4 0.1 0.3 -0.1 -0.2 0.1 0.3 0.2 -0.1 2002 -0.1 -0.1 0.0 0.1 0.1 0.0 -0.3 -0.4 -0.4 -0.1 0.1 -0.3 2003 -0.3 -0.3 -0.1 0.2 0.0 -0.1 -0.1 -0.1 -0.1 0.2 0.1 -0.1 2004 -0.1 0.1 0.3 0.2 -0.1 -0.4 -0.2 -0.5 -0.2 -0.3 0.0 0.0 2005 -0.1 -0.4 -0.1 -0.2 -0.1 -0.1 0.1 -0.1 -0.3 0.1 0.0 -0.4 2006 -0.2 0.2 0.1 -0.1 -0.1 0.2 -0.4 -0.5 0.0 -0.4 -0.2 0.0 2007 -0.1 0.0 -0.1 0.1 0.0 0.3 0.2 0.2 0.3 0.1 0.1 0.2 2008 0.4 0.3 0.2 0.1 -0.2 -0.3 0.0 0.3 0.3 0.2 0.0 0.3 2009 0.5 0.5 0.2 0.2 0.2 0.1 0.1 0.1 -0.1 -0.2 0.0 -0.2 2010 -0.2 -0.4 0.0 0.1 0.1 0.5 0.5 0.4 0.3 0.3 0.4 0.4 2011 0.8 0.9 0.6 0.4 0.1 -0.1 -0.3 -0.2 -0.1 0.0 0.2 0.2 2012 0.4 0.4 0.2 0.2 0.3 0.0 0.0 -0.1 0.0 -0.2 0.0 0.1 2013 0.2 0.2 0.3 0.2 0.3 0.2 0.4 0.3 0.4 -0.1 -0.1 0.3 2014 0.3 0.3 0.2 0.2 0.3 0.6 0.1 0.3 0.0 -0.1 0.1 0.1 2015 0.2 0.0 -0.3 -0.1 -0.1 -0.1 -0.2 -0.3 -0.3 -0.4 -0.1 -0.2 2016 -0.2 -0.3 0.0 0.1 0.2 0.6 0.8 0.6 0.5 0.4 0.3 0.4 2017 0.6 0.5 0.5 0.4 0.3 0.4 0.6 1.0 0.6 0.5 0.4 0.5 2018 0.6 0.8 0.6 0.3 0.4 0.3 0.0 0.0 -0.2 0.2 0.2 0.0 2019 -0.2 -0.3 0.1 -0.1 0.3 0.2 0.4 0.0 -0.1 0.4 0.2 0.1 2020 0.3 0.3 0.4 0.5 0.3 0.4 0.8 0.9 0.9 0.8 0.6 0.6 2021 0.6 0.6 0.6 0.4 0.0 0.1 0.2 0.6 0.5 0.5 0.6 0.4 2022 0.5 0.4 0.6 0.0 0.0 0.1 0.3 0.6 0.6 0.3 0.5 0.5 2023 0.6 0.6 0.8 0.7 0.5 0.1 0.4 0.3 0.2 0.4 0.3 0.4 2024 0.7 0.2 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9