Year	National Currency
1998-01-01	100227017544
1999-01-01	96822091099
2000-01-01	95557413346
2001-01-01	98738039769
2002-01-01	108073864800
2003-01-01	116450875680
2004-01-01	124634236575
2005-01-01	130285975714
2006-01-01	140517132982
2007-01-01	153371279933
2008-01-01	172129617029
2009-01-01	170535936552
2010-01-01	177127893098