Year,Historic emissions,Business as usual,Weaker pledge scenario,Stronger pledge scenario,Two-degree path 1990,37527.34215,,,, 1991,38440.16112,,,, 1992,38301.73628,,,, 1993,37851.23027,,,, 1994,38539.73541,,,, 1995,38232.89203,,,, 1996,38810.18051,,,, 1997,42922.72193,,,, 1998,39995.06906,,,, 1999,39409.64001,,,, 2000,39323.87726,,,, 2001,39951.18235,,,, 2002,41561.09582,,,, 2003,42242.9844,,,, 2004,44255.60642,,,, 2005,46231.07858,,,, 2006,47675.22597,,,, 2007,46578.21172,,,, 2008,47617.63235,,,, 2009,48118.77307,,,, 2010,49267.82195,,,, 2011,50331.76433,50331.76433,50331.76433,50331.76433, 2012,,51294.90163,50927.26749,50801.26125, 2013,,52258.03893,51744.25767,51480.66874, 2014,,53221.17622,53210.72643,52438.61004, 2015,,54184.31352,53967.31217,52921.76972,51500 2016,,55147.45082,54648.65774,53346.1489,51600 2017,,56110.58811,55328.1772,53755.29148,51700 2018,,57073.72541,56002.25457,54145.09622,51800 2019,,58036.8627,56666.79246,54510.96806,51900 2020,,59000,57317.1629,54847.76775,52000 2021,,59800,57836.61279,55011.05825,51000 2022,,60600,58344.54375,55144.16638,50000 2023,,61400,58838.95601,55244.42204,49000 2024,,62200,59317.79821,55309.07241,48000 2025,,63000,59778.95997,55335.27147,47000 2026,,64200,60256.73095,55448.21049,46000 2027,,65400,60715.29642,55521.40797,45000 2028,,66600,61152.23537,55551.76478,44000 2029,,67800,61565.01354,55536.03558,43000 2030,,69000,61950.96187,55470.80406,42000
