Year	current US$
1990	-31863293.5479549
1991	-56564176.7897823
1992	-83703422.4363825
1993	-359288335.238761
1994	-107973530.555443
1995	-61748170.2707594
1996	-131455518.522222
1997	-16361411.2500521
1998	-17705951.3277643
1999	4643949.17929742
2000	-21006048.0700625
2001	225707926.544267
2002	124001310.5626
2003	344669926.492965
2004	324571883.61014
2005	634325902.07984
2006	429129103.643826
2007	830650695.255124
2008	1069901338.52453
2009	1012676982.4207
2010	1305632528.17976
2011	804147677.568729
2012	949393141.661093
2013	1179773314.74356
2014	1942667793.46807
2015	1981168770.20738
2016	2306947885.99488
2017	3084019024.85236
2018	3444749895.06781