Year,Value,India (Country),Clouds,Jun-Aug,(%)
1940,77.957
1941,80.367
1942,83.722
1943,84.888
1944,81.804
1945,77.115
1946,80.011
1947,78.736
1948,80.332
1949,80.651
1950,80.315
1951,77.624
1952,75.879
1953,79.231
1954,79.546
1955,79.979
1956,83.721
1957,74.462
1958,74.889
1959,77.454
1960,78.805
1961,80.076
1962,78.202
1963,79.551
1964,80.75
1965,76.113
1966,81.668
1967,78.26
1968,78.397
1969,75.525
1970,82.059
1971,86.444
1972,71.449
1973,80.703
1974,72.955
1975,78.689
1976,76.14
1977,75.508
1978,80.149
1979,68.98
1980,80.645
1981,74.044
1982,72.962
1983,74.008
1984,81.727
1985,77.329
1986,74.639
1987,68.152
1988,81.434
1989,78.477
1990,83.782
1991,77.246
1992,71.658
1993,73.986
1994,83.78
1995,79.023
1996,80.392
1997,77.709
1998,78.885
1999,78.584
2000,81.599
2001,83.255
2002,75.937
2003,79.711
2004,76.804
2005,72.818
2006,78.509
2007,81.172
2008,85.628
2009,72.144
2010,79.389
2011,80.616
2012,79.353
2013,84.453
2014,72.213
2015,76.887
2016,81.147
2017,80.274
2018,81.571
2019,75.512
2020,80.177
2021,77.338
2022,76.776
2023,74.692
2024,80.312