Year	constant 2015 US$
1989	126755152.66332984
1990	124504957.11077851
1991	154624066.3983904
1992	133556582.49496987
1993	147419089.0342053
1994	148953866.19718316
1995	145347931.08651918
1996	157933511.56941655
1997	144555835.01006043
1998	130673038.2293763
1999	122712273.64185114
2000	133779678.0684105
2001	138730885.31187126
2002	155234909.45674047
2003	170282696.1770624
2004	158438631.79074448
2005	143682092.555332
2006	129896378.26961772
2007	121644366.1971831
2008	125818913.48088533
2009	129993460.76458754
2010	131546780.68410465
2011	121450201.20724349
2012	125236418.51106642
2013	101936619.71830988
2014	95820422.53521128
2015	96500000
2016	101354124.74849094
2017	96208752.51509054
2018	84267605.63380282
2019	65627766.59959758
2020	76501006.0362173
2021	51744969.818913475
2022	51550804.82897384
2023	65433601.609657936