Year	National Currency
1990-01-01	69247808000000
1991-01-01	73682642000000
1992-01-01	74007985000000
1993-01-01	72263682000000
1994-01-01	71553521000000
1995-01-01	72187041000000
1996-01-01	72336124000000
1997-01-01	74087506000000
1998-01-01	71689562000000
1999-01-01	69732290000000
2000-01-01	69054595000000
2001-01-01	67554575000000
2002-01-01	64809027000000
2003-01-01	62450989000000
2004-01-01	62392371000000
2005-01-01	62190134000000
2006-01-01	62921056000000
2007-01-01	61928399000000
2008-01-01	60672583000000
2009-01-01	54622354000000
2010-01-01	55622415000000