Year current US$ 1976 90000.0035762787 1977 800000.011920929 1978 610000.014305115 1979 200000.00298023198 1980 280000.001192093 1981 560000.002384186 1982 449999.988079071 1983 879999.995231628 1984 959999.978542328 1985 1399999.97615814 1986 1070000.05245209 1987 1490000.0095367401 1988 720000.028610229 1989 1190000.0572204601 1990 1330000.04291534 1991 1610000.01430511 1992 1320000.05245209 1993 2029999.97138977 1994 1360000.01430511 1995 3009999.99046326 1996 2079999.9237060498 1997 1720000.02861023 1998 1490000.0095367401 1999 2130000.1144409203 2000 2210000.03814697 2001 1320000.05245209 2002 2769999.98092651 2003 2880000.1144409203 2004 2440000.05722046 2005 2819999.9332428 2006 1320000.05245209 2007 2359999.89509583 2008 819999.992847443