Year	current US$
1998	563676692.4440819
1999	602301526.3236357
2000	548821102.2839627
2001	581690069.6002327
2002	644937866.0202258
2003	816494686.3634549
2004	972466127.4296006
2005	1136451939.4154656
2006	1159148702.0366323
2007	1283024177.852531
2008	1344394641.8795435
2009	1343812484.0627458
2010	1196996839.48027
2011	1306104704.4430768
2012	1311425373.1910155
2013	1376810974.8888595
2014	1418930391.9292533
2015	1208518488.7365417
2016	1284486367.3730836
2017	1295810790.8154805
2018	1374999821.8419828
2019	1367354744.7037213
2020	1409627902.256016
2021	1539052980.2788658
2022	1470460216.2305162