Year	current US$
1990	2996855123.674912
1991	3063617346.9387755
1992	1619583775.2897267
1993	1823817887.9310346
1994	2562155447.508335
1995	3151416573.6447606
1996	3437503869.018029
1997	3178401511.8941674
1998	3189479850.007711
1999	3219216437.123953
2000	2846858743.5089355
2001	2666999504.5205684
2002	3108153014.6981673
2003	3944570934.4409065
2004	4603689707.49262
2005	5019125701.299556
2006	5423758529.071294
2007	6447801921.47891
2008	7789420780.700953
2009	7215597529.057161
2010	7106426035.946949
2011	7756581524.310251
2012	7200881181.451339
2013	7761878336.838211
2014	7931390076.617783
2015	6928668821.683533
2016	7141820928.743907
2017	7536404432.941914
2018	8352123476.129208
2019	8257472628.268592
2020	8163477889.880425
2021	9489683709.454031
2022	9533244493.600548
2023	10756561974.118057