Year	current US$
1960	337497414902.0868
1961	331415752736.5157
1962	334124769969.09436
1963	368067598858.0067
1964	417997440374.337
1965	458825062396.7444
1966	459693883177.13885
1967	477484261436.54407
1968	503663955419.3309
1969	560903383184.1475
1970	611494458822.5922
1971	663001047534.7181
1972	749901632265.1545
1973	944961286846.0883
1974	1180228167601.7559
1975	1301627477059.6277
1976	1400386114486.8242
1977	1589808085689.5115
1978	1705788669785.2278
1979	2074170768773.1716
1980	2500168999503.148
1981	2673168333180.337
1982	2575808619319.152
1983	2653510847724.6587
1984	2750588330047.4434
1985	2838512755237.4307
1986	2869123504162.979
1987	2912046864736.4595
1988	3114596126232.1826
1989	3141375078248.084
1990	3482857460531.933
1991	3380646307841.06
1992	3551764124814.948
1993	3861870258417.9097
1994	4257578130719.3257
1995	4829859986303.594
1996	5277126714993.558
1997	5597500589117.564
1998	5442589191833.959
1999	5292029986723.924
2000	5756294125244.653
2001	5843757238059.631
2002	5942025486030.294
2003	6666188488695.839
2004	7931133838158.866
2005	9457081324042.297
2006	11244796434060.65
2007	14005073303439.676
2008	16816158424380.895
2009	16293514354025.324
2010	19757084477208.094
2011	23344251112228.926
2012	24879836403147.816
2013	26208442382055.043
2014	27222016461720.9
2015	25497170544806.785
2016	25672996146715.746
2017	28384185988820.055
2018	30126814999450.992
2019	30810767237262.28
2020	29666048365315.652
2021	35166515062625.324
2022	37159382846762.74
2023	38158877388030.36