Year	current US$
1995	-1187544168.78616
1996	326128916.873114
1997	72997515.6175423
1998	440264203.250183
1999	-80442050.1869917
2000	403848158.501943
2001	129610010.428332
2002	261379957.308199
2003	477199129.356097
2004	1080449321.89057
2005	1908743833.37474
2006	2671452184.80291
2007	3158312006.47373
2008	2821678176.52221
2009	732956959.21777
2010	844963371.249828
2011	636888976.764904
2012	-197870623.834784
2013	979174296.615023
2014	1411556162.22701
2015	3639076821.753
2016	3455508188.1903
2017	5036061164.50878
2018	5606415353.57062
2019	5700888979.60469
2020	2734534265.63058
2021	4341754994.4845