Year	current US$
1995	280343464.56157
1996	381723664.501194
1997	360272426.68919
1998	348066681.203485
1999	348380205.126624
2000	376265848.082895
2001	349092938.373657
2002	270526411.430883
2003	300343446.147363
2004	326185437.252259
2005	353308797.271082
2006	440352762.868157
2007	590168901.920038
2008	842909272.510425
2009	782565364.372392
2010	979949336.678059
2011	1565341652.58777
2012	1554266208.10704
2013	1660104971.20067
2014	1598160370.38943
2015	1299252221.49427
2016	1163116649.54566
2017	1247959777.27891
2018	1274642374.17273
2019	1195477488.37949
2020	1102675441.51106
2021	1233772672.35851