Year	current US$
1995	265400000
1996	266100000
1997	259200000
1998	441972247.6690868
1999	513374867.81246734
2000	304120062.8048598
2001	146857376.8511452
2002	111256012.49607879
2003	178033219.09563485
2004	215736667.9219948
2005	208026148.30680382
2006	163067060.22505182
2007	231112878.9259108
2008	275127685.3726128
2009	318233061.5143968
2010	517378387.2353237
2011	701369450.4977818
2012	653202238.9792894
2013	840224851.0325215
2014	715675279.2440685
2015	529710034.8457276
2016	457115012.0881884
2017	553712482.399479
2018	688693644.6548932
2019	899788993.9363599
2020	646649612.9720222
2021	821632892.4600484
2022	899390538.5225333