Year	current US$
1995	10000000
1996	10000000
1997	11000000
1998	13000000
1999	13000000
2000	14000000
2001	14000000
2002	14000000
2003	14000000
2004	19000000
2005	24000000
2006	28000000
2007	30000000
2008	44000000
2009	38000000
2010	47000000
2011	47000000
2012	43000000
2013	48000000
2014	63000000
2015	56000000
2016	63000000
2017	61000000
2018	76000000
2019	82000000
2020	14000000