JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1949 25.3 26.1 26.8 27.3 26.7 26.1 25.3 24.8 24.5 24.7 24.9 24.9 1950 25.2 26.1 26.8 27.2 26.7 26.1 25.3 24.8 24.5 24.6 24.8 24.9 1951 25.2 26.1 26.8 27.2 26.7 26.1 25.3 24.8 24.5 24.6 24.8 24.9 1952 25.2 26.1 26.8 27.2 26.7 26.1 25.4 24.8 24.5 24.7 24.9 24.9 1953 25.2 26.1 26.8 27.2 26.8 26.1 25.3 24.8 24.5 24.7 24.9 24.9 1954 25.3 26.2 26.8 27.3 26.8 26.1 25.4 24.8 24.6 24.7 24.9 24.9 1955 25.3 26.2 26.8 27.3 26.8 26.1 25.4 24.8 24.6 24.7 24.8 24.9 1956 25.3 26.2 26.8 27.3 26.8 26.1 25.3 24.8 24.5 24.6 24.8 24.8 1957 25.2 26.1 26.8 27.2 26.7 26.0 25.3 24.8 24.5 24.6 24.7 24.8 1958 25.2 26.1 26.8 27.3 26.8 26.1 25.3 24.8 24.5 24.6 24.8 24.9 1959 25.3 26.1 26.9 27.3 26.8 26.1 25.3 24.8 24.5 24.6 24.8 24.9 1960 25.3 26.1 26.9 27.3 26.8 26.1 25.3 24.8 24.5 24.6 24.8 24.9 1961 25.3 26.1 26.9 27.3 26.8 26.1 25.3 24.8 24.5 24.6 24.7 24.8 1962 25.2 26.1 26.8 27.2 26.8 26.1 25.3 24.7 24.5 24.6 24.7 24.8 1963 25.2 26.1 26.8 27.2 26.7 26.1 25.3 24.7 24.4 24.6 24.7 24.8 1964 25.2 26.1 26.8 27.2 26.8 26.1 25.3 24.8 24.5 24.6 24.7 24.8 1965 25.3 26.1 26.8 27.2 26.7 26.1 25.3 24.7 24.5 24.6 24.7 24.8 1966 25.3 26.1 26.8 27.2 26.8 26.1 25.4 24.8 24.5 24.6 24.7 24.9 1967 25.3 26.1 26.8 27.2 26.8 26.1 25.4 24.8 24.5 24.6 24.7 24.8 1968 25.3 26.1 26.8 27.2 26.8 26.1 25.4 24.8 24.5 24.6 24.7 24.8 1969 25.3 26.1 26.8 27.2 26.8 26.2 25.4 24.8 24.5 24.6 24.7 24.9 1970 25.3 26.1 26.8 27.2 26.8 26.2 25.4 24.8 24.5 24.7 24.7 24.9 1971 25.3 26.1 26.8 27.2 26.7 26.1 25.3 24.7 24.5 24.6 24.6 24.8 1972 25.2 26.0 26.7 27.1 26.7 26.1 25.3 24.7 24.4 24.5 24.6 24.7 1973 25.2 26.0 26.7 27.1 26.7 26.1 25.4 24.8 24.5 24.6 24.7 24.8 1974 25.3 26.1 26.8 27.1 26.7 26.1 25.3 24.7 24.5 24.6 24.7 24.8 1975 25.2 26.0 26.7 27.1 26.7 26.1 25.3 24.7 24.5 24.6 24.6 24.8 1976 25.2 26.0 26.7 27.1 26.6 26.0 25.3 24.7 24.5 24.5 24.6 24.7 1977 25.2 26.0 26.7 27.1 26.7 26.0 25.3 24.7 24.5 24.6 24.7 24.8 1978 25.2 26.0 26.7 27.1 26.7 26.0 25.3 24.7 24.5 24.6 24.7 24.8 1979 25.2 26.0 26.7 27.1 26.6 26.0 25.3 24.7 24.5 24.6 24.7 24.8 1980 25.2 26.0 26.7 27.1 26.6 26.0 25.3 24.7 24.5 24.6 24.7 24.8 1981 25.3 26.0 26.8 27.1 26.7 26.1 25.3 24.7 24.6 24.6 24.8 24.9 1982 25.3 26.0 26.8 27.1 26.7 26.0 25.2 24.6 24.5 24.6 24.7 24.8 1983 25.3 26.0 26.8 27.1 26.7 26.1 25.3 24.7 24.6 24.7 24.8 24.9 1984 25.4 26.1 26.8 27.2 26.7 26.1 25.3 24.7 24.6 24.6 24.8 24.9 1985 25.4 26.1 26.8 27.2 26.7 26.1 25.3 24.7 24.6 24.7 24.8 24.9 1986 25.4 26.1 26.8 27.2 26.8 26.1 25.3 24.7 24.6 24.7 24.8 25.0 1987 25.4 26.1 26.8 27.2 26.8 26.2 25.4 24.8 24.6 24.7 24.9 25.0 1988 25.5 26.2 26.9 27.2 26.8 26.2 25.4 24.8 24.7 24.8 24.9 25.0 1989 25.4 26.1 26.8 27.2 26.7 26.1 25.3 24.7 24.6 24.7 24.8 25.0 1990 25.4 26.1 26.8 27.1 26.7 26.1 25.3 24.7 24.6 24.7 24.8 25.0 1991 25.4 26.1 26.8 27.2 26.7 26.1 25.3 24.8 24.6 24.7 24.8 25.0 1992 25.4 26.1 26.8 27.2 26.7 26.1 25.4 24.8 24.7 24.7 24.9 25.0 1993 25.5 26.2 26.9 27.2 26.8 26.2 25.4 24.8 24.7 24.7 24.9 25.1 1994 25.5 26.2 26.9 27.3 26.8 26.2 25.4 24.8 24.7 24.7 24.9 25.0 1995 25.5 26.2 26.9 27.3 26.9 26.3 25.4 24.8 24.7 24.8 25.0 25.1 1996 25.5 26.2 26.9 27.3 26.8 26.2 25.4 24.8 24.7 24.7 24.9 25.0 1997 25.5 26.2 26.9 27.3 26.8 26.2 25.4 24.8 24.7 24.7 24.9 25.0 1998 25.4 26.2 26.9 27.3 26.9 26.3 25.5 24.9 24.8 24.9 25.0 25.2 1999 25.6 26.3 27.0 27.4 27.0 26.3 25.5 24.9 24.8 24.8 25.0 25.1 2000 25.5 26.3 27.0 27.4 26.9 26.3 25.5 24.9 24.7 24.8 24.9 25.0 2001 25.5 26.2 27.0 27.4 27.0 26.3 25.5 24.9 24.8 24.8 25.0 25.1 2002 25.5 26.3 27.0 27.4 27.0 26.3 25.5 24.9 24.8 24.8 25.0 25.1 2003 25.5 26.3 27.0 27.4 27.0 26.3 25.5 24.9 24.7 24.8 25.0 25.1 2004 25.5 26.3 27.0 27.4 27.0 26.3 25.6 24.9 24.8 24.9 25.0 25.2 2005 25.6 26.3 27.1 27.4 27.0 26.4 25.6 24.9 24.8 24.9 25.1 25.2 2006 25.6 26.3 27.1 27.4 27.0 26.4 25.6 25.0 24.9 24.9 25.1 25.2 2007 25.6 26.4 27.1 27.4 27.1 26.4 25.6 25.0 24.9 25.0 25.1 25.2 2008 25.6 26.4 27.1 27.5 27.0 26.4 25.6 25.0 24.8 24.9 25.0 25.2 2009 25.6 26.3 27.1 27.5 27.1 26.4 25.6 25.0 24.9 24.9 25.0 25.1 2010 25.6 26.3 27.1 27.4 27.1 26.5 25.7 25.0 24.9 24.9 25.1 25.2 2011 25.6 26.3 27.1 27.5 27.1 26.4 25.7 25.0 24.8 24.9 25.0 25.1 2012 25.6 26.3 27.1 27.5 27.1 26.5 25.7 25.0 24.8 24.9 25.0 25.1 2013 25.5 26.3 27.1 27.5 27.1 26.5 25.7 25.1 24.8 24.8 24.9 25.0 2014 25.4 26.3 27.1 27.4 27.0 26.4 25.6 25.0 24.8 24.8 24.9 25.0 2015 25.4 26.3 27.1 27.5 27.1 26.5 25.7 25.0 24.9 24.9 25.0 25.1 2016 25.5 26.3 27.1 27.5 27.1 26.6 25.8 25.1 25.0 25.0 25.1 25.2 2017 25.7 26.4 27.2 27.6 27.2 26.6 25.8 25.1 25.0 25.0 25.1 25.2 2018 25.6 26.4 27.2 27.6 27.2 26.5 25.7 25.1 24.9 24.9 25.0 25.1 2019 25.6 26.4 27.2 27.6 27.2 26.6 25.8 25.1 25.0 25.0 25.1 25.2 2020 25.6 26.4 27.2 27.6 27.3 26.6 25.8 25.1 25.0 25.1 25.1 25.2 2021 25.7 26.4 27.2 27.6 27.2 26.6 25.8 25.1 24.9 25.0 25.1 25.2 2022 25.6 26.4 27.2 27.6 27.2 26.6 25.8 25.1 24.9 25.0 25.0 25.1 2023 25.5 26.3 27.2 27.6 27.1 26.6 25.8 25.1 24.9 25.0 25.0 25.1 2024 25.5 26.3 27.2 27.5 27.1 26.6 25.8 25.2 24.9 25.0 25.1 25.2 2025 25.6 26.4 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9 99.9