Quarter	National Currency
1980-01-01	15912037000000
1980-04-01	16578521000000
1980-07-01	15981134000000
1980-10-01	16362006000000
1981-01-01	15923454000000
1981-04-01	16580290000000
1981-07-01	16833340000000
1981-10-01	17485260000000
1982-01-01	16824602000000
1982-04-01	17211404000000
1982-07-01	17206193000000
1982-10-01	17333017000000
1983-01-01	16935158000000
1983-04-01	17395871000000
1983-07-01	17620626000000
1983-10-01	17987535000000
1984-01-01	17581171000000
1984-04-01	18013643000000
1984-07-01	18316458000000
1984-10-01	19285639000000
1985-01-01	19077067000000
1985-04-01	20027309000000
1985-07-01	20133044000000
1985-10-01	20449001000000
1986-01-01	19522439000000
1986-04-01	19851962000000
1986-07-01	19726125000000
1986-10-01	20040450000000
1987-01-01	19561105000000
1987-04-01	20025206000000
1987-07-01	20656632000000
1987-10-01	21601320000000
1988-01-01	21435730000000
1988-04-01	21714201000000
1988-07-01	22012974000000
1988-10-01	22907890000000
1989-01-01	22823386000000
1989-04-01	23140631000000
1989-07-01	23355767000000
1989-10-01	24220584000000
1990-01-01	23871599000000
1990-04-01	24654390000000
1990-07-01	25473260000000
1990-10-01	26608132000000
1991-01-01	25987580000000
1991-04-01	26176347000000
1991-07-01	26582597000000
1991-10-01	27174338000000
1992-01-01	26040102000000
1992-04-01	25766256000000
1992-07-01	26120865000000
1992-10-01	26080214000000
1993-01-01	25620308000000
1993-04-01	25015577000000
1993-07-01	25105787000000
1993-10-01	24755252000000
1994-01-01	24499826000000
1994-04-01	24219626000000
1994-07-01	25186300000000
1994-10-01	25544364000000
1995-01-01	25685707000000
1995-04-01	25446031000000
1995-07-01	25721086000000
1995-10-01	26518871000000
1996-01-01	26687705000000
1996-04-01	26200979000000
1996-07-01	27082132000000
1996-10-01	27731607000000
1997-01-01	27821497000000
1997-04-01	27184216000000
1997-07-01	27667253000000
1997-10-01	27415122000000
1998-01-01	27067458000000
1998-04-01	25677284000000
1998-07-01	26178487000000
1998-10-01	26208530000000
1999-01-01	26261702000000
1999-04-01	25363306000000
1999-07-01	26445568000000
1999-10-01	26827596000000
2000-01-01	27238257000000
2000-04-01	26710105000000
2000-07-01	27664323000000
2000-10-01	28182395000000
2001-01-01	27543832000000
2001-04-01	26082824000000
2001-07-01	25776528000000
2001-10-01	25368277000000
2002-01-01	25159669000000
2002-04-01	25120893000000
2002-07-01	26349438000000
2002-10-01	26675457000000
2003-01-01	26878392000000
2003-04-01	26301333000000
2003-07-01	26978678000000
2003-10-01	27965661000000
2004-01-01	28343053000000
2004-04-01	27787584000000
2004-07-01	28810117000000
2004-10-01	29121086000000
2005-01-01	30005713000000
2005-04-01	29472848000000
2005-07-01	30101446000000
2005-10-01	30836093000000
2006-01-01	30978854000000
2006-04-01	30343999000000
2006-07-01	30948729000000
2006-10-01	31882323000000
2007-01-01	31442503000000
2007-04-01	30861630000000
2007-07-01	31850494000000
2007-10-01	33319636000000
2008-01-01	33047583000000
2008-04-01	32109891000000
2008-07-01	32396090000000
2008-10-01	29803688000000
2009-01-01	23583680000000
2009-04-01	24429804000000
2009-07-01	26537287000000
2009-10-01	28084689000000
2010-01-01	28127246000000
2010-04-01	28229383000000
2010-07-01	29480558000000
2010-10-01	29446512000000
2011-01-01	27574005000000
2011-04-01	26629240000000
2011-07-01	28884760000000