Year	constant 2021 US$
1997	1838699951.17188
1998	1623060058.59375
1999	1356819946.28906
2000	1176259960.1745605
2001	253289998.05450413
2002	1067479990.0054982
2003	617259980.2017212
2004	659219983.1008909
2008	699999.988079071
2009	289999.99165535