Year	current US$
1983	140679543.86781478
1984	163991913.1197109
1985	158646051.64300683
1986	231704901.14505327
1987	284384672.00539196
1988	302476660.14889526
1989	288896258.39936376
1990	349205290.5383913
1991	412856854.6878244
1992	489110397.604876
1993	527021191.0810507
1994	619946164.8556072
1995	644372499.6062372
1996	763743294.6726304
1997	2816620956.9688425
1998	2959645488.022871
1999	2634514035.2579083
2000	2488260422.334902
2001	2374521659.356247
2002	1492684596.066786
2003	1447251972.0257766
2004	1798065061.0720532
2005	2306091222.5372367
2006	2823668251.849202
2007	3327683503.3834267
2008	4043201480.0291576
2009	3990161570.9299316
2010	5280600714.6320095
2011	6407208656.963826
2012	6735154627.577013
2013	7536101340.285391
2014	7473684352.486071
2015	6891749827.197037
2016	6285527103.1011915
2017	7282360554.323416
2018	7261093768.320643
2019	6878030216.08983
2020	6086761690.723736
2021	6862388554.417839
2022	8276239114.35386
2023	9066024174.094193