Year	current US$
1989	83779900778.58647
1990	82097582335.46634
1991	77471558643.90298
1992	72825881867.89143
1993	63806699617.37351
1994	52064765664.15146
1995	47635228059.41983
1996	43993867172.463554
1997	44790276521.235
1998	42503710921.98742
1999	37857498203.07171
2000	33604431514.617935
2001	34886909976.13498
2002	38151722552.17705
2003	46922780541.0932
2004	60169724908.53456
2005	72753297069.91504
2006	91326668398.07295
2007	120659833033.01506
2008	148280805435.41278
2009	130978029636.4576
2010	139032015590.19812
2011	143754542802.3891
2012	166415700343.481
2013	179848215763.21136
2014	153130777843.4175
2015	119857800361.30583
2016	100779533554.92609
2017	100202410390.1157
2018	116377495903.8466
2019	139084746178.1596
2020	149174086879.6635
2021	169966929106.21265
2022	151667901107.83
2023	174919025720.32413