Year	current US$
1980	9979230.26646087
1981	10481882.9959716
1982	10956669.5679607
1983	11529651.8289705
1984	11231681.2359388
1985	12598288.8356393
1986	16695070.125975
1987	20053816.3620673
1988	22677497.033483
1989	24069065.5846261
1990	28783637.5291871
1991	30757467.6661451
1992	36165150.723128
1993	47939513.7911715
1994	40969905.6395482
1995	47736442.8571066
1996	50538646.5608194
1997	49632438.174742
1998	53626769.2676763
1999	60248895.1952115
2000	55574589.8420389
2001	61814038.3232611
2002	67824392.6812551
2003	88124013.8976752
2004	98237846.8883002
2005	103517269.750537
2006	120769956.243277
2007	164709726.616419
2008	199753478.461057
2009	182077950.389999
2010	184273483.2519
2011	198741028.743548
2012	176577326.669068
2013	190873060.590831
2014	188240224.749068
2015	167447485.301105
2016	172792684.110179
2017	187229662.398613
2018	209021263.930427
2019	213114150.712732
2020	189797016.159874
2021	224271426.417353