Year	current US$
1974	3499999.985098842
1975	1359999.984502797
1976	1850000.053644184
1977	1300000.0268220906
1978	1570000.0226497669
1979	1579999.953508376
1980	2710000.03814697
1981	2180000.066757206
1982	1830000.04291534
1983	1780000.030994411
1984	1680000.0313669457
1985	2450000.0160187543
1986	3349999.940022832
1987	5070000.1362711135
1988	11630000.01944602
1989	11119999.961927539
1990	5569999.998435376
1991	4430000.081658362
1992	3999999.906867745
1993	1400000.0618398206
1994	3849999.9884515973
1995	2019999.956712128
1996	2729999.95201826
1997	2070000.0338256317
1998	1950000.0178813937
1999	169999.9906122684
2000	1389999.980106947
2001	4809999.985620374
2002	7329999.888315788
2003	-290000.00655651133
2004	-170000.0204145916
2005	2059999.994933607
2006	5730000.065639608
2007	4530000.0552087985
2008	43369998.4829873
2009	4130000.011995442
2010	8710000.453516841
2011	18110000.167042024
2012	22559999.970719267
2013	14549999.959766839