Quarter	National Currency
1988-01-01	32859036615
1988-04-01	34365051481
1988-07-01	32255832469
1988-10-01	34637741227
1989-01-01	35848869320
1989-04-01	35836625229
1989-07-01	34687585178
1989-10-01	36255274615
1990-01-01	37756886305
1990-04-01	37792169035
1990-07-01	36227691505
1990-10-01	37565841814
1991-01-01	38501078801
1991-04-01	38122672494
1991-07-01	36366194780
1991-10-01	38304033060
1992-01-01	38942629623
1992-04-01	38325275844
1992-07-01	37364576988
1992-10-01	38436793440
1993-01-01	39123218058
1993-04-01	39680410559
1993-07-01	37189398456
1993-10-01	40861885887
1994-01-01	40215797930
1994-04-01	40883996957
1994-07-01	39181194930
1994-10-01	41184857807
1995-01-01	40139129505
1995-04-01	39659547536
1995-07-01	38790301902
1995-10-01	41137092972
1996-01-01	39744716503
1996-04-01	40518901245
1996-07-01	39670516205
1996-10-01	41378292963
1997-01-01	41356625068
1997-04-01	42427593019
1997-07-01	41237145074
1997-10-01	43463292891
1998-01-01	42948224869
1998-04-01	42862205470
1998-07-01	41447484187
1998-10-01	44899013537
1999-01-01	42363309478
1999-04-01	44525650745
1999-07-01	42203894335
1999-10-01	47157307752
2000-01-01	42997653100
2000-04-01	46867026422
2000-07-01	45957876924
2000-10-01	51740682570
2001-01-01	46829706688
2001-04-01	48332772403
2001-07-01	46628867570
2001-10-01	51811982479
2002-01-01	47324850186
2002-04-01	50682951779
2002-07-01	47850812437
2002-10-01	51178164365
2003-01-01	48316033336
2003-04-01	49862660161
2003-07-01	48084397401
2003-10-01	52734903318
2004-01-01	50007612383
2004-04-01	51936598944
2004-07-01	50269000774
2004-10-01	54378729257
2005-01-01	50668420739
2005-04-01	55297381450
2005-07-01	52522412598
2005-10-01	56252406713
2006-01-01	53026436141
2006-04-01	57621890289
2006-07-01	54417604790
2006-10-01	58557975978
2007-01-01	55442835575
2007-04-01	59397704814
2007-07-01	57338371005
2007-10-01	61365949638
2008-01-01	57355524512
2008-04-01	60837855840
2008-07-01	58245141101
2008-10-01	61758841429
2009-01-01	59125487799
2009-04-01	59868130213
2009-07-01	57576550463
2009-10-01	63270987703
2010-01-01	58579576149
2010-04-01	60107444146
2010-07-01	58309377326
2010-10-01	63783421212
2011-01-01	59724450122
2011-04-01	60092827330