Year	current US$
1997	5000000
1998	4000000
1999	5000000
2000	5000000
2001	5000000
2002	5000000
2003	4000000
2004	3000000
2005	3000000
2006	3000000
2007	3000000
2008	699999.988079071
2011	9000000
2012	8000000
2013	16000000
2014	82000000
2015	121000000
2016	164000000
2017	31000000
2018	29000000
2019	28000000