Year	constant 2010 US$
1991	725.312519297923
1992	706.459356488835
1993	751.341692965009
1994	765.580307839198
1995	787.05094800596
1996	803.841675990703
1997	833.36417996051
1998	850.939452286216
1999	881.491141705202
2000	910.510436932621
2001	942.651284030789
2002	961.104398867609
2003	955.393284341811
2004	1001.17012264774
2005	964.979781881976
2006	998.966073493951
2007	1026.62845763622
2008	1026.43878513649
2009	1046.39544737239
2010	999.164989673222
2011	1009.63683160961
2012	1017.33680964934
2013	1048.99899025292
2014	1081.29682278339
2015	969.486304740807
2016	1042.12884870282
2017	1089.27479800486
2018	1141.34020518805