Year	current US$
1993	436000000
1994	761600000
1995	831000000
1996	1279510000
1997	2175150000
1998	3817400000
1999	3482000000
2000	2794000000
2001	2602100000
2002	3094500000
2003	3220000000
2004	4202600000.0000005
2005	5962800000
2006	7151400000
2007	7203300000
2008	7065200000
2009	7722500000
2010	8348000000
2011	10681700000
2012	12544000000
2013	12570000000
2014	13755890000
2015	13174310000
2016	13563970000
2017	15023710000
2018	15647730000
2019	17274000000
2020	13938450000
2021	15457780000
2022	15628000000