Year	current US$
1994	12200000
1995	2990000
1996	37710000
1997	23100000
1998	12980000
1999	22380000
2000	18520000
2001	5200000
2002	1620000
2003	2740000
2004	19880000
2005	5520000
2006	17300000
2007	20480000
2008	14650000
2009	24990000
2010	20250000
2011	12760000
2012	59900000
2013	33600000
2014	69820000
2018	61600000
2019	98080000
2020	36420000
2021	28250000
2022	35830000