Year	current US$
1994	70000000
1995	25300000
1998	86800000
2003	358800000
2008	30000000
2010	250000000
2011	144500000
2013	316800000
2014	562300000
2015	430000000
2016	349300000
2017	259600000.00000003
2020	75600000