Year	current US$
1993	9899999999.999998
1994	3392038321.5717387
1995	5138513437.7278385
1996	4956355628.59569
1997	6335678594.974965
1998	6046516458.543118
1999	5280590474.047005
2000	5902927855.049564
2001	6690072759.637233
2002	10317790755.423832
2003	12827056103.336554
2004	19001072907.8091
2005	26682881049.214157
2006	36533903479.914246
2007	51493392701.27537
2008	65661156904.45081
2009	71274868322.34872
2010	75541595072.9602
2011	82604385198.06543
2012	104804655534.48006
2013	123089247467.8594
2014	130422069415.18416
2015	110414347930.93715
2016	74246107929.28497
2017	63162391766.60927
2018	61533787790.62132
2019	68335787525.215706
2020	56331404563.596725
2021	56607120856.70374
2022	66533165321.527
2023	78319283382.57167