Year	National currency (Billions)
1990	509.170
1991	568.369
1992	645.229
1993	711.408
1994	824.850
1995	871.550
1996	977.417
1997	1100.634
1998	1195.352
1999	1209.780
2000	1440.532
2001	1459.568
2002	1480.675
2003	1432.615
2004	1432.185
2005	763.920
2006	776.489
2007	862.330
2008	913.595
2009	786.765
2010	838.214