Year constant 2021 US$ 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 -360000.01430511504 1998 -360000.01430511504 1999 -379999.99523162795 2000 -430000.00715255697 2001 -419999.986886978 2002 -419999.986886978 2003 -400000.00596046395 2004 -400000.00596046395