Year	current US$
1969	335278090.124976
1970	374498799.23492086
1971	397695951.79705435
1972	461701314.1648679
1973	543835038.2957909
1974	610543089.6394957
1975	793907963.4558228
1976	935382578.3710134
1977	1092725111.8933938
1978	1180682486.4994082
1979	1515826957.988115
1980	1742360214.8307781
1981	1769561699.7973385
1982	1490095149.5785825
1983	1317466542.857258
1984	1249411498.1443665
1985	1441713107.64425
1986	1628414594.9050746
1987	1916134378.267163
1988	2373287724.890578
1989	2446141305.952793
1990	2435035266.3713455
1991	2790670749.8728
1992	2915845808.863453
1993	2939247733.725058
1994	2657009879.366817
1995	2591091080.2671556
1996	2654380325.0097375
1997	2846540498.4622536
1998	2872657978.53215
1999	3091573197.589888
2000	3106499830.7799435
2001	3413554120.9860926
2002	3394425291.8808475
2003	4200678273.775543
2004	4948148804.11804
2005	5882580027.92628
2006	6546672666.1007185
2007	7285335380.8851185
2008	8571260928.726358
2009	9626291755.24694
2010	10475396166.01823
2011	11388475957.154482
2012	11742715075.98844
2013	12753693661.602652
2014	13712624503.461609
2015	13887598306.562145
2016	13954289057.10282
2017	14186516787.282955
2018	15906291517.050922
2019	16927568969.931578
2020	16869985995.304594
2021	17975826242.88222
2022	19142196146.942734
2023	20055593624.26258