Year	current US$
1995	13000000
1996	45000000
1997	38000000
1998	35000000
1999	31000000
2000	26000000
2001	26000000
2002	17000000
2003	22000000
2004	22000000
2005	30000000
2006	28000000
2007	29000000
2008	68000000
2009	54000000
2010	92000000
2011	40000000
2012	36000000
2013	47000000
2014	85000000
2015	70000000
2016	74000000
2017	80000000
2018	95000000
2019	102500000