Year	current US$
1970	4852872802.872803
1971	5591820620.927558
1972	6801701416.207711
1973	8161539648.852016
1974	9242296078.070337
1975	10292743902.439026
1976	10432875742.994621
1977	12532486605.302925
1978	16432469042.585321
1979	21744811411.992264
1980	25220653827.480175
1981	24121156040.05577
1982	23544272300.469486
1983	21834296760.301456
1984	20627530305.61721
1985	21368518364.287495
1986	28664593047.901653
1987	32704095271.53558
1988	35608335932.81344
1989	37165090969.97433
1990	47308104728.40954
1991	47527581442.51489
1992	51793507972.665146
1993	47020162809.62903
1994	51607007067.13781
1995	61188497474.74747
1996	68101853578.629036
1997	73363572110.79274
1998	79570065044.29741
1999	86150148476.67432
2000	86356209657.28802
2001	93194876477.77058
2002	108599478996.79549
2003	142052848197.81696
2004	169394068913.9823
2005	190692467474.82635
2006	213465376790.07855
2007	246542426442.22668
2008	252588338411.07806
2009	207171193757.05804
2010	184991181107.8837
2011	196878546288.05487
2012	188089744238.14926
2013	192582376361.8284
2014	211726973493.82318
2015	208544106164.10965
2016	251124206151.10217
2017	265772402907.8299
2018	276019492691.2578
2019	383932491529.46606
2020	347141469263.4982
2021	308808957969.4059
2022	317831791798.19775
2023	359549758608.79065