JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1949 0.0 0.0 0.1 0.1 0.0 0.0 -0.1 -0.3 -0.4 -0.5 -0.7 -0.8 1950 -0.7 -0.7 -0.7 -0.6 -0.6 -0.5 -0.5 -0.6 -0.7 -0.8 -0.8 -0.8 1951 -0.7 -0.5 -0.3 0.0 0.4 0.7 1.0 1.2 1.4 1.4 1.2 1.0 1952 0.7 0.4 0.2 0.0 -0.2 -0.4 -0.4 -0.5 -0.5 -0.5 -0.3 -0.1 1953 0.1 0.3 0.5 0.6 0.7 0.7 0.8 0.7 0.6 0.5 0.3 0.0 1954 -0.2 -0.4 -0.6 -0.7 -0.9 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 1955 -0.9 -0.8 -0.8 -0.8 -0.9 -0.9 -1.0 -1.1 -1.1 -1.3 -1.3 -1.3 1956 -1.1 -0.9 -0.7 -0.6 -0.5 -0.6 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 1957 0.1 0.3 0.6 1.0 1.2 1.3 1.4 1.4 1.3 1.4 1.5 1.5 1958 1.5 1.2 1.0 0.8 0.6 0.5 0.5 0.4 0.3 0.2 0.3 0.3 1959 0.2 0.3 0.3 0.2 0.1 -0.1 -0.1 -0.1 0.0 0.0 0.2 0.1 1960 0.0 -0.1 -0.1 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.2 -0.2 1961 -0.2 -0.1 0.0 0.0 -0.1 -0.3 -0.4 -0.5 -0.6 -0.6 -0.6 -0.5 1962 -0.4 -0.4 -0.5 -0.5 -0.5 -0.4 -0.4 -0.3 -0.3 -0.3 -0.4 -0.4 1963 -0.3 -0.3 -0.2 0.0 0.3 0.5 0.7 0.8 0.9 1.0 1.0 0.9 1964 0.7 0.4 -0.1 -0.5 -0.7 -1.0 -1.0 -1.0 -0.9 -1.0 -0.9 -0.8 1965 -0.6 -0.3 0.0 0.4 0.7 0.9 1.1 1.3 1.4 1.5 1.5 1.4 1966 1.1 0.8 0.3 0.0 -0.1 -0.2 -0.2 -0.2 -0.2 -0.3 -0.3 -0.3 1967 -0.3 -0.4 -0.3 -0.3 -0.3 -0.4 -0.5 -0.5 -0.7 -0.8 -0.9 -0.9 1968 -0.9 -0.9 -0.8 -0.6 -0.4 -0.2 0.1 0.3 0.4 0.4 0.5 0.5 1969 0.5 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.8 1.0 1.0 0.9 1970 0.8 0.6 0.3 -0.2 -0.5 -0.9 -1.1 -1.2 -1.2 -1.2 -1.2 -1.3 1971 -1.3 -1.2 -1.0 -0.9 -0.7 -0.6 -0.6 -0.6 -0.6 -0.8 -0.8 -0.7 1972 -0.4 -0.2 0.1 0.4 0.7 1.0 1.4 1.7 2.0 2.3 2.3 2.1 1973 1.7 1.2 0.6 0.1 -0.4 -0.7 -1.0 -1.1 -1.2 -1.3 -1.3 -1.3 1974 -1.3 -1.1 -0.8 -0.5 -0.3 -0.2 -0.1 -0.1 -0.2 -0.2 -0.3 -0.4 1975 -0.3 -0.3 -0.3 -0.5 -0.5 -0.7 -0.8 -0.9 -1.0 -1.1 -1.2 -1.2 1976 -1.0 -0.9 -0.6 -0.1 0.2 0.5 0.8 1.0 1.0 1.0 1.1 1.0 1977 0.9 0.6 0.5 0.3 0.1 0.0 0.0 0.1 0.2 0.4 0.5 0.6 1978 0.5 0.3 0.1 -0.1 -0.3 -0.4 -0.4 -0.4 -0.3 -0.2 0.0 0.1 1979 0.2 0.3 0.5 0.5 0.5 0.4 0.4 0.4 0.5 0.6 0.8 0.7 1980 0.6 0.5 0.4 0.4 0.3 0.2 0.2 0.1 0.0 0.0 0.0 -0.1 1981 -0.2 -0.2 -0.3 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 -0.2 0.0 0.0 1982 0.1 0.2 0.3 0.5 0.6 0.8 1.1 1.4 1.8 2.2 2.6 2.7 1983 2.7 2.5 2.2 2.0 1.8 1.7 1.4 1.0 0.6 0.2 -0.2 -0.3 1984 -0.2 -0.1 -0.1 -0.2 -0.3 -0.3 -0.4 -0.5 -0.5 -0.5 -0.7 -0.7 1985 -0.7 -0.7 -0.7 -0.6 -0.6 -0.6 -0.5 -0.5 -0.4 -0.4 -0.4 -0.4 1986 -0.3 -0.2 -0.1 0.0 0.1 0.1 0.2 0.4 0.6 0.8 1.0 1.1 1987 1.3 1.3 1.3 1.3 1.4 1.4 1.5 1.6 1.5 1.4 1.2 0.9 1988 0.6 0.3 -0.1 -0.6 -1.0 -1.3 -1.4 -1.5 -1.4 -1.4 -1.3 -1.2 1989 -1.1 -0.9 -0.7 -0.5 -0.4 -0.3 -0.2 -0.1 -0.1 -0.2 -0.2 -0.1 1990 -0.1 0.1 0.2 0.4 0.4 0.4 0.4 0.3 0.2 0.1 0.1 0.1 1991 0.2 0.2 0.4 0.5 0.7 0.8 0.9 0.9 0.9 1.0 1.1 1.3 1992 1.4 1.4 1.4 1.3 1.1 0.8 0.5 0.2 0.0 -0.1 -0.1 0.1 1993 0.2 0.4 0.7 0.9 0.9 0.9 0.7 0.6 0.5 0.4 0.3 0.3 1994 0.1 0.0 0.0 0.0 0.0 0.1 0.1 0.3 0.4 0.6 0.7 0.8 1995 0.7 0.4 0.1 -0.1 -0.2 -0.3 -0.4 -0.4 -0.6 -0.8 -0.9 -0.9 1996 -0.8 -0.6 -0.5 -0.4 -0.3 -0.3 -0.3 -0.3 -0.4 -0.5 -0.7 -0.7 1997 -0.6 -0.4 0.0 0.6 1.2 1.8 2.3 2.8 3.1 3.3 3.4 3.3 1998 3.1 2.8 2.3 1.6 1.1 0.6 0.1 -0.3 -0.5 -0.7 -0.9 -0.9 1999 -0.8 -0.7 -0.6 -0.5 -0.4 -0.5 -0.6 -0.8 -1.0 -1.2 -1.3 -1.3 2000 -1.1 -0.8 -0.5 -0.3 -0.2 -0.2 -0.2 -0.3 -0.3 -0.4 -0.4 -0.3 2001 -0.2 -0.1 0.0 0.0 0.1 0.0 -0.1 -0.2 -0.3 -0.5 -0.5 -0.4 2002 -0.3 -0.1 0.1 0.3 0.5 0.6 0.7 0.8 0.9 1.1 1.1 1.0 2003 0.8 0.5 0.1 -0.1 -0.1 -0.1 0.0 0.3 0.4 0.5 0.5 0.5 2004 0.4 0.3 0.1 0.0 0.0 0.1 0.1 0.3 0.4 0.5 0.5 0.4 2005 0.2 0.1 0.1 0.1 0.2 0.2 0.2 0.1 -0.2 -0.5 -0.6 -0.7 2006 -0.7 -0.6 -0.3 -0.1 0.0 0.2 0.4 0.5 0.6 0.8 0.8 0.7 2007 0.4 0.2 -0.1 -0.3 -0.4 -0.5 -0.7 -0.9 -1.2 -1.5 -1.7 -1.7 2008 -1.5 -1.3 -0.9 -0.5 -0.2 0.0 0.2 0.2 0.2 0.0 -0.2 -0.4 2009 -0.5 -0.5 -0.3 0.0 0.3 0.6 0.8 0.8 0.9 1.0 1.0 1.1 2010 1.1 1.0 0.7 0.3 0.0 -0.4 -0.8 -1.0 -1.2 -1.4 -1.5 -1.3 2011 -1.2 -0.9 -0.6 -0.2 -0.1 0.0 -0.1 -0.2 -0.4 -0.6 -0.7 -0.6 2012 -0.4 -0.2 0.0 0.2 0.4 0.6 0.7 0.7 0.7 0.5 0.1 0.0 2013 0.0 -0.1 -0.3 -0.4 -0.5 -0.7 -0.7 -0.5 -0.4 -0.2 -0.1 -0.2 2014 -0.2 -0.1 0.1 0.2 0.5 0.5 0.6 0.6 0.6 0.7 0.7 0.7 2015 0.6 0.5 0.5 0.8 1.2 1.6 2.0 2.3 2.6 2.8 2.9 2.8 2016 2.6 2.2 1.6 1.0 0.5 0.0 -0.2 -0.3 -0.4 -0.4 -0.3 -0.1 2017 0.1 0.3 0.5 0.5 0.4 0.2 0.0 -0.2 -0.5 -0.8 -1.0 -1.0 2018 -1.1 -1.0 -0.8 -0.5 -0.2 0.0 0.2 0.4 0.6 0.7 0.8 0.9 2019 0.8 0.7 0.6 0.6 0.5 0.3 0.1 0.0 0.0 0.1 0.2 0.3 2020 0.2 0.2 0.1 -0.1 -0.2 -0.4 -0.7 -0.9 -1.0 -1.1 -1.1 -0.9 2021 -0.7 -0.6 -0.6 -0.4 -0.4 -0.4 -0.3 -0.4 -0.6 -0.8 -1.0 -1.1 2022 -1.1 -1.1 -1.1 -0.9 -0.8 -0.8 -0.8 -0.7 -0.8 -0.9 -0.8 -0.6 2023 -0.3 0.0 0.3 0.7 1.0 1.4 1.7 1.9 2.1 2.2 2.2 2.2 2024 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9