Year	current US$
1980	-38376021.25334865
1981	-35509624.19747753
1982	-33277189.880418424
1983	-34655704.40727898
1984	-33401764.573913645
1985	-35576347.83073848
1986	-50493358.60588593
1987	-61041343.153648205
1988	-64472981.55509685
1989	-61754402.57794098
1990	-77693407.92865251
1991	-76698523.48837604
1992	-82715767.72968128
1993	-81904171.69532806
1994	-57725907.922299325
1995	-72059540.22086607
1996	-71625920.2757842
1997	-65907920.022321016
1998	-66932780.16036728
1999	-69167944.70722295
2000	-63502525.2311866
2001	-68452791.59535675
2002	-77034713.97940958
2003	-98902548.4437972
2004	-114605805.63626027
2005	-118246899.58702902
2006	-126310802.5336552
2007	-120986043.69394352
2008	-181079205.9388479
2009	-174486811.45071676
2010	-184068423.73060447
2011	-205519255.56952077
2012	-232817923.63422725
2013	-236042563.44469973
2014	-228571121.80804974
2015	-169369675.5070744
2016	-159897236.29820666
2017	-176287741.05216518
2018	-204212902.18613908
2019	-199821095.33607954
2020	-274242547.1090199
2021	-267812077.33419803
2022	-277697711.2249079
2023	-297924595.1759294