Year	current US$
1991	914656731.9372154
1992	893714422.0303516
1993	836135905.3175066
1994	870434183.4775071
1995	1004626408.3807
1996	1015821963.0407922
1997	935719365.2664043
1998	1084755370.529711
1999	919664519.824133
2000	836843105.7032219
2005	2191623599.9635653
2006	2137181197.3425162
2007	2458544921.9602375
2008	2790969258.6658683
2009	2302135492.165047
2010	2292580622.877764
2011	2357483449.814365
2012	2197621627.6648474
2013	2264702276.0244517
2014	2247174999.9596434
2015	1918194296.231018
2016	1869204633.5919986
2017	2042882817.4447403
2018	2701628755.8256903
2019	2572340201.8449683
2020	2036087881.3730125
2021	2370137504.5532956
2022	2682544155.5448375