Quarter	National currency, Monthly Level
1999-01-01	1818
1999-04-01	1776
1999-07-01	1938
1999-10-01	2787
2000-01-01	2096
2000-04-01	2068
2000-07-01	2145
2000-10-01	3024
2001-01-01	2343
2001-04-01	2351
2001-07-01	2503
2001-10-01	3187
2002-01-01	2763
2002-04-01	2722
2002-07-01	2835
2002-10-01	4053
2003-01-01	3139
2003-04-01	3082
2003-07-01	3164
2003-10-01	4584
2004-01-01	3530
2004-04-01	3570
2004-07-01	3655
2004-10-01	5165
2005-01-01	4057
2005-04-01	3983
2005-07-01	4151
2005-10-01	6009
2006-01-01	4639
2006-04-01	4548
2006-07-01	4715
2006-10-01	6954
2007-01-01	5473
2007-04-01	5423
2007-07-01	5653
2007-10-01	8172
2008-01-01	6476
2008-04-01	6375
2008-07-01	6707
2008-10-01	9340
2009-01-01	7302
2009-04-01	7143
2009-07-01	7539
2009-10-01	10260
2010-01-01	8262
2010-04-01	8083
2010-07-01	8721
2010-10-01	11473
2011-01-01	9476
2011-04-01	9364
2011-07-01	9973
2011-10-01	12986
2012-01-01	10866
2012-04-01	10448
2012-07-01	10948
2012-10-01	14507
2013-01-01	12133
2013-04-01	11453
2013-07-01	12147
2013-10-01	15741
2014-01-01	13383
2014-04-01	12600
2014-07-01	13378
2014-10-01	16999