Year	current US$
1980	1544215920.2089276
1981	2138032598.204834
1982	2048386651.605797
1983	2166758472.489004
1984	1849095052.7934754
1985	1255394021.021459
1986	1493914799.9677901
1987	2180477033.8692937
1988	2111288553.7425642
1989	2126818539.6447983
1990	2141097342.8886478
1991	2684825599.3973885
1992	2926568978.9741564
1993	2789661729.7204
1994	2936317441.8820786
1995	3289191926.8503494
1996	3324551112.273044
1997	3584940609.3192616
1998	3286900745.330739
1999	3283766337.713627
2000	3293618948.481144
2001	3103692662.519234
2002	2790112000.601096
2003	4338142706.387218
2004	5357750407.023988
2005	5588703406.257091
2006	6039065375.12376
2007	7068532001.056931
2008	7193552016.047036
2009	8335236600.092459
2010	9865465625.319736
2011	10972849846.404636
2012	12177774336.139002
2013	11239449604.233812
2014	11225369599.443396
2015	10875035462.490416
2016	10927574316.732327
2017	12406586163.09658
2018	13002309115.45479
2019	11885973588.771076
2020	10122301982.953932
2021	12665272977.78725
2022	12369591448.519545
2023	11737480670.272757