Year	current US$
1990	789969495.7832407
1991	843376623.3766234
1992	506852687.7308166
1993	567247614.9793535
1994	517226106.17726964
1995	351337833.4040423
1996	371135639.068689
1997	332378719.93477374
1998	359865213.08225965
1999	383089746.944268
2000	423629630.45339805
2001	511522177.7825821
2002	661384145.8097148
2003	855676348.1175597
2004	1008274439.9662573
2005	1338474938.0472274
2006	1413899569.4095743
2007	1674567002.798265
2008	1663675191.0485165
2009	1268730265.7794173
2010	1828759690.5454812
2011	2284326940.197688
2012	2926877147.3926272
2013	3153322766.3381095
2014	3315721291.635874
2015	3137020863.274861
2016	3558717725.79882
2017	4405338883.104102
2018	4907543376.025489
2019	5631685777.794617
2020	3762799929.152204
2021	4983421998.134069
2022	9759400463.653683
2023	14086972329.800243