Year	current US$
1990	15990953389.83051
1991	12017973913.043478
1992	12174770047.169811
1993	13111779894.179893
1994	14757378604.651163
1995	21830812778.002426
1996	21775541784.702553
1997	20999323229.291718
1998	22520913156.376225
1999	23694693473.96177
2000	21035761945.759792
2001	21093592300.09872
2002	23257083291.770576
2003	29728785144.047207
2004	34912754110.612854
2005	36438144509.38938
2006	39499982436.3317
2007	48706220765.33937
2008	56953592131.33827
2009	49856395850.805046
2010	47698117710.283424
2011	50956412548.00594
2012	44994731828.431656
2013	46151453741.14209
2014	46620508097.08493
2015	39658259007.02771
2016	40944289691.91022
2017	44227463153.20714
2018	49603671246.79291
2019	49714340495.05874
2020	48933254111.43516
2021	58221101407.75101
2022	58702853435.03525
2023	63665861241.23446