Year	National currency (Billions)
1990	465.003
1991	508.518
1992	563.030
1993	615.403
1994	692.674
1995	707.429
1996	755.331
1997	832.404
1998	911.280
1999	881.682
2000	1068.840
2001	1068.400
2002	1069.980
2003	1022.030
2004	1081.668
2005	470.611
2006	497.500
2007	546.460
2008	530.939
2009	452.149
2010	525.056