Year	current US$
1995	92069941.2171002
1996	35032919.7078311
1997	153265603.326626
1998	68558741.0111365
1999	291483520.788
2000	351547070.080409
2001	456322728.73262
2002	488791394.014364
2003	503595474.603365
2004	467571310.750879
2005	634810637.454418
2006	1032477851.57815
2007	1153335159.88721
2008	1126784917.53255
2009	1227344905.5136
2010	1240210655.66948
2011	1222952415.29494
2012	1690538500.41413
2013	1929489116.45663
2014	2158721024.32459
2015	2330017107.00796
2016	2416621643.37177
2017	3227758342.94498
2018	4069813454.75887
2019	4527248470.60618
2020	4266957127.89441
2021	4566819759.52244