Year,Value,Global,PWAT,Jan-Dec,(in.)
1940,0.921
1941,0.923
1942,0.912
1943,0.909
1944,0.932
1945,0.92
1946,0.919
1947,0.934
1948,0.935
1949,0.933
1950,0.927
1951,0.94
1952,0.941
1953,0.945
1954,0.924
1955,0.92
1956,0.913
1957,0.936
1958,0.94
1959,0.938
1960,0.933
1961,0.936
1962,0.927
1963,0.936
1964,0.927
1965,0.921
1966,0.936
1967,0.934
1968,0.927
1969,0.945
1970,0.936
1971,0.923
1972,0.944
1973,0.95
1974,0.929
1975,0.931
1976,0.931
1977,0.949
1978,0.946
1979,0.954
1980,0.957
1981,0.951
1982,0.952
1983,0.961
1984,0.943
1985,0.942
1986,0.948
1987,0.964
1988,0.955
1989,0.941
1990,0.958
1991,0.953
1992,0.933
1993,0.935
1994,0.941
1995,0.941
1996,0.934
1997,0.945
1998,0.962
1999,0.936
2000,0.935
2001,0.949
2002,0.953
2003,0.954
2004,0.952
2005,0.957
2006,0.957
2007,0.954
2008,0.945
2009,0.958
2010,0.971
2011,0.954
2012,0.958
2013,0.962
2014,0.965
2015,0.979
2016,0.99
2017,0.978
2018,0.974
2019,0.982
2020,0.981
2021,0.966
2022,0.962
2023,0.989
2024,1.004