Year	current US$
1994	260617710000
1995	314846160000
1996	501418710000
1997	726565800000
1998	586556980000
2000	977792680000
2001	654884710000
2002	512426970000
2003	730811270000
2004	1025287550000
2005	1019420510000
2006	2419058870000
2007	8802320870000
2008	6097644457151.186
2009	9528954433864.717
2010	10267989414328.822
2011	8646646617844.707
2012	6783405490000
2013	9401117845493.91
2014	13580406090102.934
2015	40497765912132.37
2016	19631609440149.48
2017	18757650959425.418
2018	14758111720000
2019	20134913840000
2020	34240325300000
2021	43422773790000
2022	35065479980000