Year	current US$
1993	255973928707.03003
1994	192304755910.60406
1995	239602274987.96057
1996	250850444333.60236
1997	264665993315.1442
1998	346502359956.617
1999	313838385597.7739
2000	324501859373.4971
2001	264003278222.11337
2002	307448807106.37805
2003	395992413679.9197
2004	516996277547.4445
2005	647819424392.9918
2006	745647917838.2808
2007	948208615637.0845
2008	1122056419517.854
2009	939557799667.9733
2010	1121603276296.8494
2011	1261233719818.2346
2012	1346211209424.7
2013	1478992344910.5903
2014	1419538432498.989
2015	1260029653915.2583
2016	1199413812527.079
2017	1220058555553.0566
2018	1186452465563.4165
2019	1203017274560.3381
2020	1170889869609.0447