Year	current US$
1993	13805342275
1994	16325023174
1995	22973176845
1996	30704571524
1997	29719032353
1998	31777355672
1999	31148321507
2000	31801873481
2001	36281851595
2002	40686079009
2003	51805862871
2004	69934965227
2005	76339823473
2006	93328887568
2007	118457000000
2008	142246000000
2009	105245000000
2010	126593000000
2011	152161000000
2012	141544000000
2013	144335000000
2014	154237000000
2015	141364000000
2016	143040000000
2017	163352000000
2018	184659000000
2019	179039000000
2020	170747000000