Year	constant 2015 US$
1981	15076634114.338772
1982	15469353760.235462
1983	15361723546.61543
1984	14688505641.33745
1985	17414860922.641903
1986	19045819496.566006
1987	18439003915.34366
1988	20242910658.773766
1989	21208195248.3864
1990	22093069135.30833
1991	22897291916.422405
1992	23432640911.406567
1993	23871815551.173454
1994	24484029479.97992
1995	25362127044.328922
1996	26357935093.10655
1997	27455546302.875645
1998	28536771746.774536
1999	29993199183.556705
2000	30868880202.67958
2001	32039436323.958447
2002	49846329391.06652
2003	53339090367.83445
2004	56678772984.46041
2005	60685936733.47269
2006	65184514183.53134
2007	69877645856.06148
2008	74257736124.54411
2009	78625409402.9501
2010	83207416921.90137
2011	85633619286.92572
2012	91374632954.13599
2013	94058013461.02408
2014	98074410406.568
2015	101720740023.40942
2016	105898152646.02397
2017	109546568338.21552
2018	111871806897.02756
2019	114514494434.22672
2020	116998763663.68356
2021	119487153807.9538
2022	121735911209.82228
2023	123109539667.37881