Quarter	National Currency
1980-01-01	71757088934
1980-04-01	73528675493
1980-07-01	72511713571
1980-10-01	77814070713
1981-01-01	71003250247
1981-04-01	73744092971
1981-07-01	73346627209
1981-10-01	77781582451
1982-01-01	70741892783
1982-04-01	73687115304
1982-07-01	73471351979
1982-10-01	77956899162
1983-01-01	71869072713
1983-04-01	75134152623
1983-07-01	74333421149
1983-10-01	79025912953
1984-01-01	72964626459
1984-04-01	75180341678
1984-07-01	74877279631
1984-10-01	79020172205
1985-01-01	73224313158
1985-04-01	76251201356
1985-07-01	76442237374
1985-10-01	81599969681
1986-01-01	75168293141
1986-04-01	79303283913
1986-07-01	79066196446
1986-10-01	84462362892
1987-01-01	78762878196
1987-04-01	83368584306
1987-07-01	84504007680
1987-10-01	89232127870
1988-01-01	82972277751
1988-04-01	87627808706
1988-07-01	88698306368
1988-10-01	93768715725
1989-01-01	87493829916
1989-04-01	92604402531
1989-07-01	92719874899
1989-10-01	97512916935
1990-01-01	90184005608
1990-04-01	95195313093
1990-07-01	95577576914
1990-10-01	100766562880
1991-01-01	92498017930
1991-04-01	97426121837
1991-07-01	96876608779
1991-10-01	101751544788
1992-01-01	93835314873
1992-04-01	96810002918
1992-07-01	95903774705
1992-10-01	98360955919
1993-01-01	90005736433
1993-04-01	93427773402
1993-07-01	93693359839
1993-10-01	97877471904
1994-01-01	90236646112
1994-04-01	95007368816
1994-07-01	96331590413
1994-10-01	101931733407
1995-01-01	95987633385
1995-04-01	100369093265
1995-07-01	97301043278
1995-10-01	101191093339
1996-01-01	97979659246
1996-04-01	99368934953
1996-07-01	99091184663
1996-10-01	103431600010
1997-01-01	100234373810
1997-04-01	103010708607
1997-07-01	103732011237
1997-10-01	108233985577
1998-01-01	104960868776
1998-04-01	107422671287
1998-07-01	108723247244
1998-10-01	112436678891
1999-01-01	109207729589
1999-04-01	113766887971
1999-07-01	114264914957
1999-10-01	118267824082
2000-01-01	116861138547
2000-04-01	119263735181
2000-07-01	117846323043
2000-10-01	123578803519
2001-01-01	121208049681
2001-04-01	124536408948
2001-07-01	123046740659
2001-10-01	127916234241
2002-01-01	123550282990
2002-04-01	128171298317
2002-07-01	124703109512
2002-10-01	132123482324
2003-01-01	127265250573
2003-04-01	131258136196
2003-07-01	128538080199
2003-10-01	134441124729
2004-01-01	131652172333
2004-04-01	134351941874
2004-07-01	132618973063
2004-10-01	139274576799
2005-01-01	134910046404
2005-04-01	140472790939
2005-07-01	136899947460
2005-10-01	143647135202
2006-01-01	140583412309
2006-04-01	146192380191
2006-07-01	142207598381
2006-10-01	147977769125
2007-01-01	145804857586
2007-04-01	151522113078
2007-07-01	146632896308
2007-10-01	152971184046
2008-01-01	148128047953
2008-04-01	153078700054
2008-07-01	146941597582
2008-10-01	149139630081
2009-01-01	140563022051
2009-04-01	142464725611
2009-07-01	138206056920
2009-10-01	142507739936
2010-01-01	137739381184
2010-04-01	141665848254
2010-07-01	137874292171
2010-10-01	143304509933
2011-01-01	139064923977
2011-04-01	143315419829