Year,non-permafrost (Tg),sporadic (Tg),discontinuous (Tg),continuous (Tg) 2011,0.2571968831482899,0.06316229328048677,0.036883299620470135,0.05229900592085887 2012,0.2607907592067603,0.07722842191834146,0.027017100637528487,0.03219112430594646 2013,0.25707603859728867,0.06226508721400985,0.02149668099611082,0.03663957445963188 2014,0.30407902377648505,0.0848095545224612,0.03704046752634087,0.049620749917280396 2015,0.3332102780279408,0.07064357855238781,0.03476390117759827,0.0358569367794434 2016,0.35634754920567907,0.07585986620192668,0.036986573559657426,0.03855903856307441 2017,0.40252870130079443,0.07580578004341396,0.0322770558310675,0.04565109471736001 2018,0.3099578926489395,0.08095437984822261,0.032285270195314054,0.0429469217889701 2019,0.35023270590590383,0.07699826154801523,0.034614891201107646,0.027964036618659642 2020,0.28168269993868345,0.06471043636918941,0.0351667653276072,0.027529633549098556 2021,0.2552968373694616,0.07448244321617954,0.03686865745833856,0.03537917741481733