Year	constant 2021 US$
1990	2579859944.3435674
1991	6608700047.016145
1992	3529889976.5014668
1993	2595770023.34595
1994	3955370075.225829
1995	5261920211.791992
1996	2839319984.436039
1997	2695270004.272459
1998	3767869995.117191
1999	4493770011.90186
2000	5258979942.321783
2001	5259830039.978033
2002	3653639930.7250977
2003	4499239990.234379
2004	5146960098.266607
2011	250000