Quarter	National Currency
1980-01-01	1247260690.6
1980-04-01	1385298671.9
1980-07-01	1447947882.8
1980-10-01	1541374451.1
1981-01-01	1312056116.3
1981-04-01	1451480955.6
1981-07-01	1559063373.5
1981-10-01	1644653835.5
1982-01-01	1533132955.5
1982-04-01	1500517611.1
1982-07-01	1846699750.8
1982-10-01	1796776091.4
1983-01-01	1451440280.1
1983-04-01	1817913359.4
1983-07-01	1979007545.4
1983-10-01	2029944004.0
1984-01-01	1581082101.6
1984-04-01	1754604029.5
1984-07-01	1680385338.7
1984-10-01	2004178765.0
1985-01-01	1670890007.8
1985-04-01	1768810646.1
1985-07-01	1788999964.5
1985-10-01	1924089287.5
1986-01-01	1631208518.6
1986-04-01	1782618468.9
1986-07-01	2047781297.3
1986-10-01	2384011653.6
1987-01-01	1973720904.3
1987-04-01	2210599578.3
1987-07-01	2530982151.9
1987-10-01	2742237300.4
1988-01-01	2336518804.5
1988-04-01	2619449947.7
1988-07-01	3036121175.7
1988-10-01	3262561624.2
1989-01-01	2999973841.1
1989-04-01	3263067597.8
1989-07-01	3424696593.4
1989-10-01	4015691466.6
1990-01-01	3674498991.3
1990-04-01	4072919701.8
1990-07-01	4082528054.6
1990-10-01	4858017501.2
1991-01-01	4406310529.6
1991-04-01	4756671849.3
1991-07-01	4722667620.3
1991-10-01	5508243621.3
1992-01-01	4777745041.5
1992-04-01	5155319181.0
1992-07-01	5000316292.3
1992-10-01	5650210685.9
1993-01-01	4993719264.4
1993-04-01	5246336984.4
1993-07-01	5002730773.5
1993-10-01	5469035402.5
1994-01-01	4740827548.9
1994-04-01	5243120008.2
1994-07-01	5125119769.7
1994-10-01	5800915875.4
1995-01-01	5233650966.7
1995-04-01	5776807090.2
1995-07-01	5551435129.4
1995-10-01	6239585059.1
1996-01-01	5338640776.1
1996-04-01	5987552332.5
1996-07-01	5929209933.0
1996-10-01	6764934000.6
1997-01-01	6002061390.8
1997-04-01	6718047957.8
1997-07-01	6370465765.0
1997-10-01	7169977468.0
1998-01-01	6304319368.2
1998-04-01	7276759474.8
1998-07-01	6968704146.2
1998-10-01	8034275630.5
1999-01-01	7031962079.3
1999-04-01	8041439507.5
1999-07-01	7820255235.2
1999-10-01	9122061094.9
2000-01-01	7887155931.3
2000-04-01	9112429657.5
2000-07-01	8769145877.9
2000-10-01	10236886922.0
2001-01-01	8979315513.0
2001-04-01	10553287341.0
2001-07-01	9966840810.2
2001-10-01	11629136506.0
2002-01-01	10173318065.0
2002-04-01	11734710414.0
2002-07-01	10917704199.0
2002-10-01	12550590144.0
2003-01-01	11117217509.0
2003-04-01	12920978328.0
2003-07-01	12056450598.0
2003-10-01	13799808173.0
2004-01-01	12131722969.0
2004-04-01	13928155464.0
2004-07-01	13351142597.0
2004-10-01	15422504837.0
2005-01-01	13699360428.0
2005-04-01	15939227085.0
2005-07-01	15048963100.0
2005-10-01	17402885406.0
2006-01-01	15553969329.0
2006-04-01	17962713171.0
2006-07-01	17075927369.0
2006-10-01	19499058666.0
2007-01-01	17413505274.0
2007-04-01	19502100370.0
2007-07-01	18485913689.0
2007-10-01	20926156604.0
2008-01-01	19065050961.0
2008-04-01	20402249946.0
2008-07-01	18248259609.0
2008-10-01	18749584723.0
2009-01-01	15718802797.0
2009-04-01	17045922594.0
2009-07-01	15534955168.0
2009-10-01	16724168944.0
2010-01-01	13601151766.0
2010-04-01	15323013574.0
2010-07-01	14091058497.0
2010-10-01	14896142246.0
2011-01-01	12624655955.0
2011-04-01	14160729206.0