Year	current US$
1990	26932016269.61069
1991	24923076923.076923
1992	24917355371.900826
1993	23409260879.94272
1994	21250792886.105423
1995	20374302652.381878
1996	21035357936.879593
1997	22165932062.96603
1998	22135245507.36557
1999	16870817181.779896
2000	18291990662.035625
2001	22152689179.881508
2002	24636598527.443718
2003	30833692900.109074
2004	43151647002.60963
2005	57123671733.89525
2006	81003864630.01804
2007	104849915058.37578
2008	133441648851.9825
2009	115308686941.38017
2010	148047348240.64334
2011	192626464617.07117
2012	207998568865.78925
2013	236634603409.08856
2014	221415613595.46927
2015	184388404706.04178
2016	137278320084.17114
2017	166805788827.23325
2018	179339977690.48486
2019	181667184854.50052
2020	171082365861.4229
2021	197112255360.61234
2022	225496328925.4941
2023	261421121085.57208