Year	current US$
1996	-375541769.855642
1997	-512376385.309626
1998	-541331400.53407
1999	-415397920.404631
2000	155360994.227825
2001	-215995923.607085
2002	-233853889.173952
2003	-235672802.802339
2004	-342466158.214979
2005	-90295170.8571179
2006	202348826.773071
2007	-295560352.941098
2008	-401362102.002799
2009	14132543.0551894
2010	331480408.75496
2011	724549679.231793
2012	704490728.917628
2013	995550006.871145
2014	1342305272.62079
2015	1139668790.41974
2016	1438248460.46711
2017	1836429684.58765
2018	2073954467.44627
2019	1915404548.83347
2020	1343029979.40385
2021	1837119456.0587