Year	current US$
1989	-1990297957.2529287
1990	-2325293898.9107866
1991	-3161199087.5076895
1992	-3572930614.2025585
1993	-4606392639.201544
1994	-5234490181.001131
1995	-6037813758.973726
1996	-5805196028.4459715
1997	-5201688860.019486
1998	-4689565288.510499
1999	-3945368353.7554283
2000	-3755887230.5140963
2001	-4297180762.852405
2002	-3609286898.8391376
2003	-4140630182.421227
2004	-4414572358.872305
2005	-4195329656.3847427
2006	-4380335052.0729685
2007	-5880278087.562189
2008	-8600086761.525705
2009	-8498178030.514096
2010	-9630355261.02819
2011	-11744040237.47927
2012	-13613109112.43781
2013	-15414561887.230515
2014	-15537075882.587065
2015	-12761792548.590382
2016	-12414119831.50912
2017	-13045638211.608624
2018	-14685203825.53897
2019	-11139351720.077223
2020	-5513036337.310195
2021	-6194124426.201616
2022	-9495023545.351349
2023	-6523877068.089667