Year	current US$
1984	44933881.0436519
1985	50941032.9199171
1986	53615760.1430614
1987	63525625.029499
1988	64361014.9551915
1989	59152645.843399
1990	93639294.2803231
1991	99996799.5051345
1992	83401905.6752595
1993	75101449.7334422
1994	73758752.5894047
1995	72155533.8264499
1996	76970779.6592622
1997	66567644.2079358
1998	66454891.898932
1999	70605911.8353095
2000	67804571.8253999
2001	70308696.5701331
2002	73707750.587314
2003	100129582.486949
2004	93939056.7034005
2005	89264770.3170111
2006	120326699.173782
2007	132137437.938871
2008	175495410.942988
2009	241831914.389104
2010	248997896.289132
2011	244112095.169796
2012	248630000.267239
2013	424961509.881339
2014	393148391.657684
2015	364857284.064063
2016	407414266.733581
2017	556097628.852465
2018	454193909.718601
2019	501857934.384136
2020	686339280.94212
2021	588417559.788355
2022	589437241.827389
2023	502033555.759362