Year	current US$
1990	2190000.0125169745
1991	2990000.01884997
1992	3550000.0044703465
1993	6369999.986141923
1994	8199999.976903191
1995	7169999.951496712
1996	9310000.108554956
1997	10150000.130757695
1998	14220000.160858033
1999	21000000.488013037
2000	17170000.202953808
2001	14420000.016689297
2002	15920000.020414587
2003	22339999.9793619
2004	19959999.80904162
2005	23160000.38199126
2006	27319999.979808927
2007	34490000.670775816
2008	40289999.28385014
2009	38089999.88064165
2010	28929999.92147088
2011	31909999.633207947
2012	30130000.51304698
2013	34420000.49352649
2014	29089999.776333578
2015	18820000.17538668
2016	22829999.741166826
2017	22580000.184476376
2018	26799999.337643344
2019	13769999.772310253
2020	11629999.76426363
2021	7030000.0067800265
2022	7699999.824166299