Quarter	Portuguese escudo
1975-03-31	24.37
1975-06-30	24.54
1975-09-30	27.46
1975-12-31	27.36
1976-03-31	29.3
1976-06-30	31.46
1976-09-30	31.22
1976-12-31	31.46
1977-03-31	38.64
1977-06-30	38.58
1977-09-30	40.75
1977-12-31	39.88
1978-03-31	40.95
1978-06-30	45.64
1978-09-30	45.35
1978-12-31	46.05
1979-03-31	48.25
1979-06-30	49
1979-09-30	48.98
1979-12-31	49.95
1980-03-31	51
1980-06-30	48.85
1980-09-30	50.1
1980-12-31	53.1
1981-03-31	56.6102
1981-06-30	63.2996
1981-09-30	65.203
1981-12-31	65.2119
1982-03-31	71.6481
1982-06-30	83.821
1982-09-30	88.3932
1982-12-31	90.4915
1983-03-31	97.88
1983-06-30	116.9
1983-09-30	124.05
1983-12-31	132.32
1984-03-31	132.24
1984-06-30	146.26
1984-09-30	159.42
1984-12-31	169.75
1985-03-31	175.5
1985-06-30	173.49
1985-09-30	168
1985-12-31	158
1986-03-31	151
1986-06-30	149.6
1986-09-30	146.92
1986-12-31	145.35
1987-03-31	140.15
1987-06-30	143.47
1987-09-30	144.85
1987-12-31	131.85
1988-03-31	135.75
1988-06-30	148.7
1988-09-30	154.95
1988-12-31	146.5
1989-03-31	156.15
1989-06-30	163.45
1989-09-30	158.4
1989-12-31	149.8
1990-03-31	150.05
1990-06-30	146.5
1990-09-30	139.15
1990-12-31	134.15
1991-03-31	150.15
1991-06-30	157.65
1991-09-30	143.8
1991-12-31	134.15
1992-03-31	141.95
1992-06-30	127.22
1992-09-30	126
1992-12-31	147
1993-03-31	148.45
1993-06-30	161.4
1993-09-30	167.75
1993-12-31	177.05
1994-03-31	171.9
1994-06-30	164.32
1994-09-30	158.25
1994-12-31	159.2
1995-03-31	144.35
1995-06-30	146.29
1995-09-30	149.74
1995-12-31	149.35
1996-03-31	152.49
1996-06-30	156.57
1996-09-30	155.13
1996-12-31	155.17
1997-03-31	168.74
1997-06-30	175.92
1997-09-30	179.87
1997-12-31	183.85
1998-03-31	189.41
1998-06-30	184.71
1998-09-30	171.42
1998-12-31	170.82
1999-03-31	185.73
1999-06-30	194.32
1999-09-30	188.3
1999-12-31	199.98
2000-03-31	209.4
2000-06-30	209.14
2000-09-30	227.12
2000-12-31	213.73
2001-03-31	226.89
2001-06-30	236.58
2001-09-30	220.04
2001-12-31	225.16