Year	current US$
1991	1593197068.8047507
1992	1901052381.020585
1993	2174866745.1962795
1994	2427383355.0969687
1995	2532261534.670254
1996	2624396716.5358167
1997	2491619878.538451
1998	2465652087.3613753
1999	2599952240.700461
2000	2705227541.1391134
2001	2867260082.1489215
2002	2908559885.747478
2003	2825650262.1255717
2004	4452774018.8957615
2005	4985245254.000302
2006	5638297945.763408
2007	7421482200.89014
2008	9481735571.793505
2009	9869995202.782782
2010	12465722964.601114
2011	15364218465.024277
2012	16419498915.31428
2013	15972043793.109406
2014	17563694927.97171
2015	14986016046.611656
2016	13921169028.901922
2017	15162982134.927893
2018	18280097612.72076
2019	18782525324.01151
2020	14679796776.997625
2021	18251450409.549236
2022	22719833883.876896