Year	current US$
1990	962386122.649919
1991	696240354.661938
1992	968935170.1518
1993	943488607.037387
1994	1278413438.96769
1995	1500869563.49548
1996	1355825677.40166
1997	1816129523.00328
1998	2230812640.1892
1999	2020893586.91643
2000	2050574281.26229
2001	2315458131.67111
2002	1910797783.07103
2003	1813170584.57692
2004	2192065356.59688
2005	2180375062.017
2006	3130446445.95776
2007	4042609602.89274
2008	4228375521.18716
2009	4656866126.35106
2010	5881895156.1106
2011	5906105369.16215
2012	6783043973.80548
2013	7493835609.92064
2014	7498481828.54964
2015	8804852372.71149
2016	9866853579.66108
2017	9087041914.65169
2018	9314297491.35607
2019	9721059400.95103
2020	8979579991.79973
2021	10175339331.9752