Year	current US$
2002	-811293797.6782753
2003	-3285370295.73093
2004	1367884947.3035355
2005	1606420837.660055
2006	2264779597.1202717
2007	3661992507.4626865
2008	2345358521.393035
2009	2639103336.5416937
2010	1896568974.9352875
2011	1078402537.840796
2012	-1112438100.1708126
2013	-1087154892.1459422
2014	-1746432538.6036484
2015	1218480861.7529023
2016	1055812340.3018242
2017	-495732865.2106136
2018	-2085539496.1669044
2019	-3104234752.3555493
2020	708912947.7433707
2021	-1140225799.8687115
2022	-4177444027.4094553
2023	-1076990411.3211408