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