Year	current US$
1990	7390000
1991	9450000
1992	8160000
1993	10240000
1994	13160000
1995	17140000
1996	14090000
1997	18930000
1998	20150000
1999	21930000
2000	32180000
2001	35110000
2002	42970000
2003	46240000
2004	57620000
2005	65910000
2006	78640000
2007	105100000
2008	117610000
2009	108700000
2010	102700000
2011	109650000
2012	105160000
2013	120170000
2014	135220000
2015	121280000
2016	126520000
2017	141190000
2018	177440000
2019	175620000
2020	163020000
2021	192990000
2022	196730000