Year	current US$
1990	113088582.293663
1991	96826322.3544826
1992	108278197.694433
1993	116468220.887493
1994	99865905.966125
1995	101685284.976999
1996	126201452.676438
1997	104178447.911198
1998	102955987.666673
1999	95429747.9014173
2000	98863350.4113804
2001	109542187.679881
2002	120582451.057197
2003	128266377.065177
2004	94749974.6595676
2005	104099635.394023
2006	106220620.041605
2007	138217884.651866
2008	169548884.694463
2009	162460977.429491
2010	167320166.934738
2011	189067905.396881
2012	177607370.607259
2013	178642096.787476
2014	169175632.171875
2015	144563967.499864
2016	143130592.491088
2017	152066659.834713
2018	153565440.619369
2019	150727229.017165
2020	147050188.362073
2021	152654141.885641