Year	current US$
1979	3480000.01907349
1980	7000000
1981	6909999.84741211
1982	15369999.8855591
1983	24950000.762939498
1984	79680000.3051758
1985	67879997.253418
1986	84510002.1362305
1987	86470001.2207031
1988	101459999.084473
1989	23940000.5340576
1990	8649999.61853027
1991	21620000.8392334
1992	28120000.8392334
1993	23780000.6866455
1994	24850000.3814697
1995	21209999.084472697
1996	16299999.2370605
1997	18889999.3896484
1998	10489999.7711182
1999	6500000
2000	7530000.20980835
2001	10989999.7711182
2002	12060000.4196167
2003	10789999.961853001
2004	6340000.15258789
2005	8000000