Year	current US$
1979	16670000.076293899
1980	9550000.19073486
1981	3799999.95231628
1982	7000000
1983	4530000.20980835
1984	3599999.90463257
1985	3230000.01907349
1986	2470000.02861023
1987	2869999.8855590797
1988	1679999.94754791
1989	1980000.01907349
1990	3990000.00953674
1991	6369999.88555908
1992	4070000.1716613797
1993	2960000.03814697
1994	1960000.03814697
1995	419999.986886978
1996	579999.983310699
1997	730000.019073486
1998	469999.998807907
1999	870000.004768372
2000	1139999.98569489
2001	6090000.15258789
2002	5760000.228881841
2003	5920000.07629395
2005	1009999.99046326
2006	239999.994635582
2007	1080000.04291534
2008	980000.019073486
2009	930000.007152557
2010	959999.978542328
2012	59799.998998642004
2019	718682.587146759
2020	3983990.66925049
2021	5897789.95513916
2022	3384999.99046326