Year	National Currency
1990-01-01	177283332000000
1991-01-01	190148569000000
1992-01-01	193902287000000
1993-01-01	195316767000000
1994-01-01	196865910000000
1995-01-01	199558706000000
1996-01-01	200563188000000
1997-01-01	203429349000000
1998-01-01	197084747000000
1999-01-01	190423467000000
2000-01-01	189115352000000
2001-01-01	183619013000000
2002-01-01	175836435000000
2003-01-01	170158099000000
2004-01-01	167319697000000
2005-01-01	166385544000000
2006-01-01	167722992000000
2007-01-01	166336643000000
2008-01-01	164356874000000
2009-01-01	154578344000000
2010-01-01	156681599000000