Year constant 2021 US$ 1990 111069999.69482401 1991 1023880004.88281 1992 338529998.779297 1993 252809997.55859402 1994 298410003.66210896 1995 -340450012.207031 1996 270029998.779297 1997 248779998.779297 1998 350989990.234375 1999 411779998.779297 2000 444820007.324219 2001 746520019.53125 2002 263579986.572266 2003 337670013.42773396 2004 368510009.765625