Year	current US$
1990	126524785.706428
1991	144706224.511343
1992	154577187.072667
1993	137189041.961924
1994	137388171.399054
1995	159095225.647308
1996	168877782.438904
1997	160864764.151172
1998	172053212.477634
1999	169585119.340691
2000	155923776.626536
2001	155841641.54533
2002	165299551.100139
2003	192992226.362982
2004	200471842.943476
2005	192780074.250128
2006	189808709.616159
2007	197997658.326994
2008	199844983.940062
2009	177854340.418304
2010	159684754.84513
2011	157857267.441579
2012	135796905.501985
2013	133461636.4588
2014	120780160.748226
2015	93567554.3953236
2016	90430582.7185538
2017	92518946.5286958
2018	95059275.3355655
2019	91358859.406533
2020	92432726.3019263
2021	95337548.9596664