Year	current US$
2000	-528700
2001	259644700
2002	349323700
2003	179466000
2004	-1201794800
2005	-1259581500
2006	-1038339400
2007	-1949302200
2008	-1567804700
2009	-1064825800
2010	-1079742100
2011	-1275700800
2012	-1003688800
2013	-1299784400
2014	-1905610700
2015	-2126121800
2016	-1926022000
2017	-1772021700
2018	-1808476700