Month Belgian franc 1975-01-31 35.01 1975-02-28 34 1975-03-31 34.77 1975-04-30 35.08 1975-05-31 34.93 1975-06-30 35.31 1975-07-31 38.34 1975-08-31 38.47 1975-09-30 39.95 1975-10-31 38.56 1975-11-30 39.51 1975-12-31 39.51 1976-01-31 39.24 1976-02-29 39.19 1976-03-31 39.02 1976-04-30 38.79 1976-05-31 39.7 1976-06-30 39.66 1976-07-31 39.34 1976-08-31 38.85 1976-09-30 37.65 1976-10-31 36.9 1976-11-30 36.76 1976-12-31 35.93 1977-01-31 37.02 1977-02-28 36.63 1977-03-31 36.61 1977-04-30 35.98 1977-05-31 36.05 1977-06-30 36.05 1977-07-31 35.34 1977-08-31 35.63 1977-09-30 35.71 1977-10-31 35.21 1977-11-30 35.11 1977-12-31 32.7 1978-01-31 32.65 1978-02-28 31.56 1978-03-31 31.35 1978-04-30 32.21 1978-05-31 32.7 1978-06-30 32.67 1978-07-31 32.17 1978-08-31 31.35 1978-09-30 30.53 1978-10-31 27.27 1978-11-30 30.41 1978-12-31 28.82 1979-01-31 29.36 1979-02-28 29.24 1979-03-31 29.58 1979-04-30 30.26 1979-05-31 30.64 1979-06-30 29.52 1979-07-31 29.31 1979-08-31 29.29 1979-09-30 28.23 1979-10-31 29.09 1979-11-30 28.18 1979-12-31 28.02 1980-01-31 28.29 1980-02-29 28.83 1980-03-31 31.22 1980-04-30 29.05 1980-05-31 28.38 1980-06-30 28.21 1980-07-31 28.41 1980-08-31 28.85 1980-09-30 29 1980-10-31 30.47 1980-11-30 30.97 1980-12-31 31.47 1981-01-31 33.97 1981-02-28 34.89 1981-03-31 34.33 1981-04-30 35.96 1981-05-31 37.96 1981-06-30 39.19 1981-07-31 40.39 1981-08-31 40.19 1981-09-30 38.05 1981-10-31 37.74 1981-11-30 37.23 1981-12-31 38.49 1982-01-31 39.49 1982-02-28 43.72 1982-03-31 45.54 1982-04-30 43.97 1982-05-31 44.22 1982-06-30 46.81 1982-07-31 46.97 1982-08-31 47.76 1982-09-30 49.03 1982-10-31 49.55 1982-11-30 48.64 1982-12-31 46.92 1983-01-31 48.07 1983-02-28 47.94 1983-03-31 48.13 1983-04-30 48.99 1983-05-31 50.41 1983-06-30 50.84 1983-07-31 52.88 1983-08-31 54.26 1983-09-30 53.42 1983-10-31 53.48 1983-11-30 54.73 1983-12-31 55.58 1984-01-31 57.51 1984-02-29 53.12 1984-03-31 53.1 1984-04-30 55.43 1984-05-31 55.68 1984-06-30 56.6 1984-07-31 58.43 1984-08-31 58.16 1984-09-30 62 1984-10-31 61.32 1984-11-30 62.23 1984-12-31 63.19 1985-01-31 63.35 1985-02-28 67.17 1985-03-31 62.05 1985-04-30 62.47 1985-05-31 61.52 1985-06-30 60.88 1985-07-31 56.55 1985-08-31 56.72 1985-09-30 54.3 1985-10-31 52.93 1985-11-30 51.15 1985-12-31 50.08 1986-01-31 48.93 1986-02-28 45.7 1986-03-31 47.72 1986-04-30 44.18 1986-05-31 47.41 1986-06-30 44.89 1986-07-31 43.34 1986-08-31 42.18 1986-09-30 42.06 1986-10-31 42.87 1986-11-30 41.07 1986-12-31 40.02 1987-01-31 37.78 1987-02-28 37.81 1987-03-31 37.39 1987-04-30 37.21 1987-05-31 37.75 1987-06-30 37.9 1987-07-31 38.52 1987-08-31 37.71 1987-09-30 38.17 1987-10-31 36.19 1987-11-30 34.25 1987-12-31 32.85 1988-01-31 35.01 1988-02-29 35.27 1988-03-31 34.66 1988-04-30 35.06 1988-05-31 36.05 1988-06-30 38.14 1988-07-31 39.17 1988-08-31 39.37 1988-09-30 39.38 1988-10-31 37.25 1988-11-30 36.44 1988-12-31 37.17 1989-01-31 39.185 1989-02-28 38.26 1989-03-31 39.64 1989-04-30 39.355 1989-05-31 41.455 1989-06-30 40.9 1989-07-31 39.15 1989-08-31 40.88 1989-09-30 39.3 1989-10-31 38.6 1989-11-30 37.57 1989-12-31 35.59 1990-01-31 35.225 1990-02-28 35.25 1990-03-31 35.045 1990-04-30 34.62 1990-05-31 34.885 1990-06-30 34.245 1990-07-31 32.695 1990-08-31 32.4 1990-09-30 32.255 1990-10-31 31.215 1990-11-30 31.035 1990-12-31 30.915 1991-01-31 30.56 1991-02-28 31.39 1991-03-31 35.17 1991-04-30 35.4 1991-05-31 35.66 1991-06-30 37.3 1991-07-31 35.96 1991-08-31 36.03 1991-09-30 34.25 1991-10-31 34.45 1991-11-30 33.54 1991-12-31 31.32 1992-01-31 33.1 1992-02-29 33.68 1992-03-31 33.885 1992-04-30 34.06 1992-05-31 33.01 1992-06-30 31.34 1992-07-31 30.39 1992-08-31 28.96 1992-09-30 29.09 1992-10-31 31.71 1992-11-30 32.84 1992-12-31 33.22 1993-01-31 33.12 1993-02-28 33.86 1993-03-31 33.18 1993-04-30 32.57 1993-05-31 32.67 1993-06-30 34.94 1993-07-31 36.59 1993-08-31 35.81 1993-09-30 35.2 1993-10-31 36.34 1993-11-30 36.34 1993-12-31 36.15 1994-01-31 35.87 1994-02-28 35.14 1994-03-31 34.39 1994-04-30 34.1 1994-05-31 33.85 1994-06-30 32.75 1994-07-31 32.7 1994-08-31 32.49 1994-09-30 31.92 1994-10-31 31.03 1994-11-30 32.3 1994-12-31 31.83 1995-01-31 31.26 1995-02-28 30.17 1995-03-31 28.11 1995-04-30 28.44 1995-05-31 29.02 1995-06-30 28.46 1995-07-31 28.37 1995-08-31 30.18 1995-09-30 29.3 1995-10-31 28.93 1995-11-30 29.7 1995-12-31 29.41 1996-01-31 30.58 1996-02-29 30.24 1996-03-31 30.34 1996-04-30 31.55 1996-05-31 31.45 1996-06-30 31.32 1996-07-31 30.37 1996-08-31 30.43 1996-09-30 31.4 1996-10-31 31.16 1996-11-30 31.69 1996-12-31 31.74 1997-01-31 33.77 1997-02-28 34.82 1997-03-31 34.61 1997-04-30 35.73 1997-05-31 35.19 1997-06-30 35.95 1997-07-31 37.92 1997-08-31 37.19 1997-09-30 36.44 1997-10-31 35.51 1997-11-30 36.38 1997-12-31 37.06 1998-01-31 37.73 1998-02-28 37.46 1998-03-31 38.14 1998-04-30 37.04 1998-05-31 36.77 1998-06-30 37.21 1998-07-31 36.68 1998-08-31 36.62 1998-09-30 34.48 1998-10-31 34.16 1998-11-30 34.88 1998-12-31 34.37 1999-01-31 35.53 1999-02-28 36.75 1999-03-31 37.37 1999-04-30 38.14 1999-05-31 38.6 1999-06-30 39.1 1999-07-31 37.69 1999-08-31 38.19 1999-09-30 37.89 1999-10-31 38.39 1999-11-30 40.07 1999-12-31 40.24 2000-01-31 41.25 2000-02-29 41.9 2000-03-31 42.13 2000-04-30 44.28 2000-05-31 43.5 2000-06-30 42.08 2000-07-31 43.53 2000-08-31 45.38 2000-09-30 45.7 2000-10-31 47.61 2000-11-30 46.34 2000-12-31 43.01 2001-01-31 43.37 2001-02-28 43.86 2001-03-31 45.65 2001-04-30 45.5 2001-05-31 47.64 2001-06-30 47.6 2001-07-31 46.13 2001-08-31 44.41 2001-09-30 44.28 2001-10-31 44.79 2001-11-30 45.06 2001-12-31 45.31