Year	constant 2010 US$
1997	104806180.179534
1998	118204722.846047
1999	103597646.186244
2000	222048568.485626
2001	225746124.265065
2002	231058509.264914
2003	236764522.149548
2004	282503708.5358
2005	286841004.475786
2006	285847071.179349
2007	278621059.721812
2008	259902995.818729
2009	288420193.766268
2010	334497232.293557
2011	325601058.11642
2012	323075634.1155
2013	323373331.644027
2014	323138041.9709
2015	307685747.482858
2016	223521072.665236
2017	219020677.606261
2018	285826978.824585