Year	current US$
1980	30246749.801008224
1981	35106382.97872341
1982	38563829.787234046
1983	43085106.38297872
1984	43617021.27659574
1985	43617021.27659574
1986	41778723.404255316
1987	45538031.91489362
1988	43705319.14893617
1989	43856914.89361703
1990	40155319.14893617
1991	40721542.55319149
1992	43229787.234042555
1993	44273936.17021276
1994	47900000
1995	50477659.57446808
2006	49734042.55319149
2007	63510638.29787234
2008	68085106.38297872
2009	77367021.27659574
2010	76542553.19148937
2011	83696808.5106383
2012	84787234.04255319
2013	89414893.61702128
2014	100132978.72340426
2015	98191489.36170213
2016	107074468.08510639
2017	103085106.38297872
2018	108892287.23404256
2019	108697872.34042554
2020	108640425.53191489
2021	109695744.68085106
2022	114361702.12765957
2023	116170212.76595744