Year,Value,Global,Seaice,Mar,(%)
1953,5.57
1954,5.54
1955,5.55
1956,5.555
1957,5.529
1958,5.473
1959,5.593
1960,5.432
1961,5.445
1962,5.421
1963,5.562
1964,5.61
1965,5.647
1966,5.74
1967,5.756
1968,5.872
1969,5.968
1970,5.996
1971,6.021
1972,6.077
1973,6.433
1974,5.884
1975,5.896
1976,5.972
1977,6.138
1978,5.919
1979,5.858
1980,5.599
1981,5.421
1982,5.858
1983,5.679
1984,5.528
1985,5.629
1986,5.653
1987,5.677
1988,5.819
1989,5.631
1990,5.719
1991,5.657
1992,5.596
1993,5.713
1994,5.915
1995,5.734
1996,5.674
1997,5.563
1998,5.744
1999,5.648
2000,5.566
2001,5.865
2002,5.517
2003,5.793
2004,5.623
2005,5.446
2006,5.078
2007,5.329
2008,5.789
2009,5.588
2010,5.316
2011,5.048
2012,5.583
2013,5.636
2014,5.618
2015,5.532
2016,5.274
2017,4.841
2018,5.028
2019,5.074
2020,5.339
2021,5.447
2022,4.986
2023,4.912
2024,5.12
2025,4.909