Year,Value,Global,PWAT,Jan-Aug,(in.) 1940,0.932 1941,0.935 1942,0.925 1943,0.916 1944,0.94 1945,0.929 1946,0.929 1947,0.946 1948,0.947 1949,0.946 1950,0.937 1951,0.945 1952,0.954 1953,0.956 1954,0.937 1955,0.933 1956,0.922 1957,0.94 1958,0.953 1959,0.949 1960,0.942 1961,0.948 1962,0.935 1963,0.944 1964,0.943 1965,0.923 1966,0.945 1967,0.944 1968,0.934 1969,0.956 1970,0.949 1971,0.934 1972,0.946 1973,0.971 1974,0.937 1975,0.943 1976,0.939 1977,0.959 1978,0.959 1979,0.961 1980,0.97 1981,0.962 1982,0.962 1983,0.976 1984,0.955 1985,0.952 1986,0.957 1987,0.974 1988,0.971 1989,0.95 1990,0.968 1991,0.969 1992,0.947 1993,0.943 1994,0.951 1995,0.953 1996,0.945 1997,0.949 1998,0.978 1999,0.947 2000,0.945 2001,0.956 2002,0.962 2003,0.964 2004,0.962 2005,0.968 2006,0.965 2007,0.967 2008,0.95 2009,0.964 2010,0.987 2011,0.965 2012,0.966 2013,0.973 2014,0.973 2015,0.981 2016,1.006 2017,0.989 2018,0.982 2019,0.991 2020,0.994 2021,0.973 2022,0.971 2023,0.989 2024,1.016 2025,0.995