Quarterly Average 1990 = 100
1975-03-31 62.47
1975-06-30 62.54
1975-09-30 60.5
1975-12-31 60.66
1976-03-31 65.21
1976-06-30 65.2
1976-09-30 68.82
1976-12-31 70.56
1977-03-31 70.05
1977-06-30 71.16
1977-09-30 72.47
1977-12-31 75.2
1978-03-31 76.54
1978-06-30 74.23
1978-09-30 75.16
1978-12-31 78.37
1979-03-31 77.84
1979-06-30 78.32
1979-09-30 80.37
1979-12-31 81.22
1980-03-31 78.16
1980-06-30 79.67
1980-09-30 78.57
1980-12-31 76.22
1981-03-31 76.57
1981-06-30 74.75
1981-09-30 76.95
1981-12-31 78.34
1982-03-31 79.28
1982-06-30 81.03
1982-09-30 81.29
1982-12-31 84.25
1983-03-31 86.57
1983-06-30 84.91
1983-09-30 84.44
1983-12-31 83.99
1984-03-31 85.81
1984-06-30 84.71
1984-09-30 83.18
1984-12-31 82.95
1985-03-31 83.68
1985-06-30 83.66
1985-09-30 86.46
1985-12-31 88.9
1986-03-31 89.2
1986-06-30 90.64
1986-09-30 94.17
1986-12-31 96.45
1987-03-31 97.25
1987-06-30 97.04
1987-09-30 96.43
1987-12-31 99.11
1988-03-31 97.38
1988-06-30 96.21
1988-09-30 95.7
1988-12-31 95.97
1989-03-31 94.85
1989-06-30 95.52
1989-09-30 96.28
1989-12-31 100.76
1990-03-31 100.22
1990-06-30 99.16
1990-09-30 99.8
1990-12-31 101.53
1991-03-31 98.45
1991-06-30 97.4
1991-09-30 99.18
1991-12-31 101.33
1992-03-31 100.08
1992-06-30 100.81
1992-09-30 106.48
1992-12-31 105.93
1993-03-31 107.4
1993-06-30 103.51
1993-09-30 107.56
1993-12-31 105.14
1994-03-31 105.43
1994-06-30 106.77
1994-09-30 107.23
1994-12-31 108.31
1995-03-31 114.49
1995-06-30 113.14
1995-09-30 111.85
1995-12-31 111.5
1996-03-31 110.2
1996-06-30 108.22
1996-09-30 107.99
1996-12-31 107.07
1997-03-31 105.62
1997-06-30 103.1
1997-09-30 103.17
1997-12-31 103.13
1998-03-31 102.38
1998-06-30 103.73
1998-09-30 106.03
1998-12-31 105.06
1999-03-31 102.83
1999-06-30 101.79
1999-09-30 101.32
1999-12-31 99.42
2000-03-31 98.05
2000-06-30 98.85
2000-09-30 96.79
2000-12-31 98.95
2001-03-31 98.55
2001-06-30 97.38
2001-09-30 98.71
2001-12-31 98.69