Month	National Currency
1971-01-01	12.38
1971-02-01	12.37
1971-03-01	12.36
1971-04-01	12.57
1971-05-01	12.64
1971-06-01	12.49
1971-07-01	12.57
1971-08-01	12.82
1971-09-01	12.14
1971-10-01	12.39
1971-11-01	12.54
1971-12-01	12.69
1972-01-01	14.01
1972-02-01	14.50
1972-03-01	14.66
1972-04-01	14.92
1972-05-01	15.02
1972-06-01	14.85
1972-07-01	15.08
1972-08-01	14.69
1972-09-01	14.87
1972-10-01	15.01
1972-11-01	15.08
1972-12-01	15.27
1973-01-01	15.28
1973-02-01	15.75
1973-03-01	15.85
1973-04-01	16.12
1973-05-01	16.09
1973-06-01	16.22
1973-07-01	16.05
1973-08-01	15.87
1973-09-01	16.18
1973-10-01	16.21
1973-11-01	16.36
1973-12-01	16.62
1974-01-01	16.46
1974-02-01	16.60
1974-03-01	16.82
1974-04-01	17.80
1974-05-01	18.05
1974-06-01	18.23
1974-07-01	17.93
1974-08-01	17.94
1974-09-01	18.23
1974-10-01	18.32
1974-11-01	18.51
1974-12-01	18.88
1975-01-01	18.84
1975-02-01	18.88
1975-03-01	19.13
1975-04-01	19.05
1975-05-01	19.50
1975-06-01	19.90
1975-07-01	20.91
1975-08-01	21.26
1975-09-01	21.61
1975-10-01	21.78
1975-11-01	22.12
1975-12-01	22.40
1976-01-01	22.42
1976-02-01	23.23
1976-03-01	23.49
1976-04-01	24.12
1976-05-01	24.38
1976-06-01	24.38
1976-07-01	24.63
1976-08-01	24.09
1976-09-01	24.30
1976-10-01	24.55
1976-11-01	24.63
1976-12-01	24.85
1977-01-01	24.99
1977-02-01	24.93
1977-03-01	24.82
1977-04-01	25.31
1977-05-01	25.25
1977-06-01	25.07
1977-07-01	25.82
1977-08-01	25.52
1977-09-01	26.12
1977-10-01	26.69
1977-11-01	26.79
1977-12-01	27.08
1978-01-01	27.17
1978-02-01	27.27
1978-03-01	27.41
1978-04-01	27.53
1978-05-01	28.06
1978-06-01	27.92
1978-07-01	28.59
1978-08-01	27.80
1978-09-01	28.22
1978-10-01	28.24
1978-11-01	28.34
1978-12-01	28.77
1979-01-01	28.61
1979-02-01	29.11
1979-03-01	29.49
1979-04-01	30.44
1979-05-01	30.40
1979-06-01	30.48
1979-07-01	30.54
1979-08-01	29.91
1979-09-01	30.40
1979-10-01	30.27
1979-11-01	30.46
1979-12-01	31.21
1980-01-01	31.54
1980-02-01	31.53
1980-03-01	31.75
1980-04-01	32.43
1980-05-01	32.39
1980-06-01	31.96
1980-07-01	32.44
1980-08-01	32.73
1980-09-01	33.51
1980-10-01	33.73
1980-11-01	34.35
1980-12-01	34.92
1981-01-01	35.30
1981-02-01	35.09
1981-03-01	35.04
1981-04-01	35.64
1981-05-01	36.32
1981-06-01	36.54
1981-07-01	36.94
1981-08-01	36.22
1981-09-01	36.53
1981-10-01	36.84
1981-11-01	37.06
1981-12-01	37.30
1982-01-01	39.28
1982-02-01	39.09
1982-03-01	38.89
1982-04-01	39.51
1982-05-01	39.84
1982-06-01	39.14
1982-07-01	39.90
1982-08-01	39.01
1982-09-01	39.24
1982-10-01	39.44
1982-11-01	39.36
1982-12-01	39.88
1983-01-01	41.80
1983-02-01	41.62
1983-03-01	41.42
1983-04-01	42.22
1983-05-01	42.52
1983-06-01	42.12
1983-07-01	42.93
1983-08-01	41.49
1983-09-01	42.08
1983-10-01	42.43
1983-11-01	42.46
1983-12-01	43.00
1984-01-01	44.79
1984-02-01	44.71
1984-03-01	44.93
1984-04-01	46.17
1984-05-01	46.34
1984-06-01	46.46
1984-07-01	46.78
1984-08-01	45.61
1984-09-01	46.40
1984-10-01	46.75
1984-11-01	47.17
1984-12-01	48.19
1985-01-01	47.93
1985-02-01	49.03
1985-03-01	49.21
1985-04-01	49.96
1985-05-01	50.44
1985-06-01	49.73
1985-07-01	49.88
1985-08-01	48.97
1985-09-01	49.69
1985-10-01	49.81
1985-11-01	50.23
1985-12-01	51.17
1986-01-01	51.78
1986-02-01	52.89
1986-03-01	53.53
1986-04-01	53.01
1986-05-01	54.08
1986-06-01	53.07
1986-07-01	52.80
1986-08-01	53.07
1986-09-01	53.33
1986-10-01	53.60
1986-11-01	54.26
1986-12-01	54.77
1987-01-01	54.92
1987-02-01	56.30
1987-03-01	56.22
1987-04-01	57.21
1987-05-01	57.33
1987-06-01	56.87
1987-07-01	56.65
1987-08-01	56.32
1987-09-01	56.76
1987-10-01	57.25
1987-11-01	57.51
1987-12-01	58.27
1988-01-01	58.54
1988-02-01	59.85
1988-03-01	60.15
1988-04-01	61.54
1988-05-01	62.29
1988-06-01	60.98
1988-07-01	62.15
1988-08-01	60.57
1988-09-01	61.47
1988-10-01	62.50
1988-11-01	62.46
1988-12-01	63.46
1989-01-01	63.30
1989-02-01	66.00
1989-03-01	66.80
1989-04-01	66.90
1989-05-01	67.90
1989-06-01	67.00
1989-07-01	68.20
1989-08-01	67.10
1989-09-01	68.30
1989-10-01	68.80
1989-11-01	68.80
1989-12-01	70.00
1990-01-01	69.70
1990-02-01	70.30
1990-03-01	71.20
1990-04-01	73.10
1990-05-01	73.30
1990-06-01	74.10
1990-07-01	74.20
1990-08-01	73.10
1990-09-01	74.40
1990-10-01	74.20
1990-11-01	74.00
1990-12-01	76.30
1991-01-01	75.30
1991-02-01	75.50
1991-03-01	76.30
1991-04-01	76.40
1991-05-01	77.60
1991-06-01	77.00
1991-07-01	77.50
1991-08-01	76.90
1991-09-01	77.80
1991-10-01	77.70
1991-11-01	78.10
1991-12-01	79.90
1992-01-01	78.80
1992-02-01	78.60
1992-03-01	78.50
1992-04-01	80.20
1992-05-01	81.20
1992-06-01	81.60
1992-07-01	82.20
1992-08-01	80.50
1992-09-01	81.10
1992-10-01	81.40
1992-11-01	81.70
1992-12-01	82.70
1993-01-01	82.80
1993-02-01	82.10
1993-03-01	82.00
1993-04-01	83.40
1993-05-01	84.10
1993-06-01	83.00
1993-07-01	84.10
1993-08-01	82.50
1993-09-01	83.30
1993-10-01	83.90
1993-11-01	83.90
1993-12-01	84.90
1994-01-01	85.40
1994-02-01	84.90
1994-03-01	85.20
1994-04-01	87.10
1994-05-01	87.40
1994-06-01	86.20
1994-07-01	87.90
1994-08-01	85.90
1994-09-01	86.90
1994-10-01	87.90
1994-11-01	87.80
1994-12-01	88.90
1995-01-01	88.70
1995-02-01	88.80
1995-03-01	88.90
1995-04-01	91.70
1995-05-01	90.30
1995-06-01	91.60
1995-07-01	93.10
1995-08-01	90.70
1995-09-01	92.90
1995-10-01	92.90
1995-11-01	93.10
1995-12-01	95.00
1996-01-01	94.70
1996-02-01	94.80
1996-03-01	95.50
1996-04-01	98.40
1996-05-01	99.70
1996-06-01	98.70
1996-07-01	98.40
1996-08-01	96.40
1996-09-01	97.60
1996-10-01	97.10
1996-11-01	98.60
1996-12-01	100.40
1997-01-01	99.50
1997-02-01	99.80
1997-03-01	102.20
1997-04-01	101.30
1997-05-01	103.80
1997-06-01	102.10
1997-07-01	101.70
1997-08-01	101.10
1997-09-01	101.60
1997-10-01	101.80
1997-11-01	102.90
1997-12-01	104.30
1998-01-01	104.30
1998-02-01	103.10
1998-03-01	104.20
1998-04-01	106.40
1998-05-01	107.50
1998-06-01	106.20
1998-07-01	105.10
1998-08-01	104.80
1998-09-01	105.50
1998-10-01	105.70
1998-11-01	106.20
1998-12-01	106.90
1999-01-01	107.10
1999-02-01	106.40
1999-03-01	106.10
1999-04-01	107.90
1999-05-01	109.30
1999-06-01	107.10
1999-07-01	106.80
1999-08-01	105.80
1999-09-01	106.80
1999-10-01	107.90
1999-11-01	108.50
1999-12-01	109.40
2000-01-01	110.60
2000-02-01	110
2000-03-01	109.70
2000-04-01	112.30
2000-05-01	111.50
2000-06-01	112.40
2000-07-01	111.20
2000-08-01	109.30
2000-09-01	111
2000-10-01	111.20
2000-11-01	110.90
2000-12-01	112.40
2001-01-01	111.80
2001-02-01	113.10
2001-03-01	113.40
2001-04-01	115.80
2001-05-01	115.40
2001-06-01	115.60
2001-07-01	114.10
2001-08-01	113.20
2001-09-01	115
2001-10-01	114.20
2001-11-01	114.20
2001-12-01	116
2002-01-01	115.70
2002-02-01	116.80
2002-03-01	118.60
2002-04-01	118.80
2002-05-01	120.60
2002-06-01	119.20
2002-07-01	117.20
2002-08-01	116.50
2002-09-01	118.20
2002-10-01	117.70
2002-11-01	118.60
2002-12-01	120.60
2003-01-01	119.60
2003-02-01	119.40
2003-03-01	120.50
2003-04-01	122.40
2003-05-01	123.70
2003-06-01	123.40
2003-07-01	121.40
2003-08-01	120.30
2003-09-01	121.20
2003-10-01	121.50
2003-11-01	122.70
2003-12-01	124
2004-01-01	123.90
2004-02-01	122.90
2004-03-01	122.30
2004-04-01	125.90
2004-05-01	127.60
2004-06-01	125.30
2004-07-01	125.40
2004-08-01	123.30
2004-09-01	124.90
2004-10-01	126
2004-11-01	125.50
2004-12-01	126.40
2005-01-01	127
2005-02-01	126.20
2005-03-01	127.40
2005-04-01	128.70
2005-05-01	129.60
2005-06-01	129.10
2005-07-01	129.10
2005-08-01	127.30
2005-09-01	129.30
2005-10-01	130
2005-11-01	129.70
2005-12-01	130.40
2006-01-01	130
2006-02-01	129.70
2006-03-01	129.60
2006-04-01	134.60
2006-05-01	134.40
2006-06-01	134.30
2006-07-01	132.80
2006-08-01	131.40
2006-09-01	132.70
2006-10-01	133.10
2006-11-01	133
2006-12-01	134.90
2007-01-01	133.70
2007-02-01	133.40
2007-03-01	134
2007-04-01	139.40
2007-05-01	139.40
2007-06-01	139.60
2007-07-01	137.60
2007-08-01	136
2007-09-01	138.20
2007-10-01	138.40
2007-11-01	138.40
2007-12-01	141
2008-01-01	140.30
2008-02-01	139.70
2008-03-01	142.80
2008-04-01	143.30
2008-05-01	144.60
2008-06-01	145
2008-07-01	142.40
2008-08-01	142.50
2008-09-01	142.90
2008-10-01	142.80
2008-11-01	143.50
2008-12-01	144.40
2009-01-01	143.90
2009-02-01	142.50
2009-03-01	142.30
2009-04-01	145.90
2009-05-01	147.60
2009-06-01	146.20
2009-07-01	146.10
2009-08-01	144.90
2009-09-01	145.60
2009-10-01	146.30
2009-11-01	146.90
2009-12-01	149
2010-01-01	150.10
2010-02-01	148.50
2010-03-01	148.30
2010-04-01	150.40
2010-05-01	151.70
2010-06-01	150.80
2010-07-01	149.70
2010-08-01	148.80
2010-09-01	149.80
2010-10-01	151.40
2010-11-01	150.80
2010-12-01	152.90
2011-01-01	153.90
2011-02-01	152.40
2011-03-01	151.30
2011-04-01	154.50
2011-05-01	154
2011-06-01	156.90
2011-07-01	155.30
2011-08-01	153.10
2011-09-01	154.70
2011-10-01	155.60
2011-11-01	155.10
2011-12-01	156
2012-01-01	156.30
2012-02-01	158.40
2012-03-01	158.80
2012-04-01	162
2012-05-01	162.10
2012-06-01	162.60
2012-07-01	159.80
2012-08-01	157.50
2012-09-01	160.20
2012-10-01	160
2012-11-01	159.80
2012-12-01	162.80
2013-01-01	160.80
2013-02-01	160.40
2013-03-01	161.80
2013-04-01	163.70
2013-05-01	165.20
2013-06-01	166.30
2013-07-01	163.10
2013-08-01	161.80
2013-09-01	163.10
2013-10-01	163.40
2013-11-01	163.90
2013-12-01	166.20
2014-01-01	165.60
2014-02-01	164.20
2014-03-01	164.70
2014-04-01	169.00
2014-05-01	169.80
2014-06-01	170.00
2014-07-01	166.40
2014-08-01	165.20
2014-09-01	166.30
2014-10-01	166.50
2014-11-01	167.40
2014-12-01	169.90
2015-01-01	169.80
2015-02-01	167.90
2015-03-01	168.00
2015-04-01	173.10
2015-05-01	174.90
2015-06-01	172.80
2015-07-01	171.00
2015-08-01	170.00
2015-09-01	170.80
2015-10-01	171.80
2015-11-01	172.70
2015-12-01	175.20
2016-01-01	174.70
2016-02-01	171.80
2016-03-01	173.80
2016-04-01	175.30
2016-05-01	177.30
2016-06-01	176.80
2016-07-01	174.80
2016-08-01	172.30
2016-09-01	173.60
2016-10-01	175.10
2016-11-01	175.30
2016-12-01	175.90
2017-01-01	175.40
2017-02-01	175.20
2017-03-01	174.20
2017-04-01	180.40
2017-05-01	180.10
2017-06-01	181.10
2017-07-01	179.50
2017-08-01	175.90
2017-09-01	178.10
2017-10-01	179.30
2017-11-01	178.60
2017-12-01	181.40
2018-01-01	180.90
2018-02-01	180.80
2018-03-01	182.40
2018-04-01	185.20
2018-05-01	185.90
2018-06-01	186.20
2018-07-01	184.30
2018-08-01	179.30