Type of variable	Period	Total
Total manufacturing industry	1998	0.84
Total manufacturing industry	1997	0.91
Total manufacturing industry	1996	0.90
Total manufacturing industry	1995	0.86
Total manufacturing industry	1994	0.85
Total manufacturing industry	1993	0.83
Total manufacturing industry	1992	0.69
Total manufacturing industry	1991	0.68
Total manufacturing industry	1990	0.70
Total manufacturing industry	1989	0.67
Total manufacturing industry	1988	0.72
Total manufacturing industry	1987	0.79
Total manufacturing industry	1986	0.93
Total manufacturing industry	1985	1.25
Total manufacturing industry	1984	1.31
Aerospace	1998	0.68
Aerospace	1997	0.74
Aerospace	1996	0.72
Aerospace	1995	0.96
Aerospace	1994	1.00
Aerospace	1993	0.98
Aerospace	1992	0.68
Aerospace	1991	0.38
Aerospace	1990	0.47
Aerospace	1989	0.50
Aerospace	1988	0.65
Aerospace	1987	0.71
Aerospace	1986	0.57
Aerospace	1985	0.60
Aerospace	1984	0.80
Electronics	1998	0.51
Electronics	1997	0.55
Electronics	1996	0.47
Electronics	1995	0.54
Electronics	1994	0.53
Electronics	1993	0.50
Electronics	1992	0.33
Electronics	1991	0.26
Electronics	1990	0.21
Electronics	1989	0.15
Electronics	1988	0.14
Electronics	1987	..
Electronics	1986	..
Electronics	1985	..
Electronics	1984	..
Office machines and computers	1998	0.41
Office machines and computers	1997	0.39
Office machines and computers	1996	0.45
Office machines and computers	1995	0.41
Office machines and computers	1994	0.41
Office machines and computers	1993	0.38
Office machines and computers	1992	0.36
Office machines and computers	1991	0.36
Office machines and computers	1990	0.30
Office machines and computers	1989	0.31
Office machines and computers	1988	0.32
Office machines and computers	1987	0.38
Office machines and computers	1986	0.42
Office machines and computers	1985	0.47
Office machines and computers	1984	0.40
Pharmaceutical products	1998	0.55
Pharmaceutical products	1997	0.56
Pharmaceutical products	1996	0.59
Pharmaceutical products	1995	0.55
Pharmaceutical products	1994	0.57
Pharmaceutical products	1993	0.57
Pharmaceutical products	1992	0.54
Pharmaceutical products	1991	0.65
Pharmaceutical products	1990	0.67
Pharmaceutical products	1989	0.71
Pharmaceutical products	1988	0.87
Pharmaceutical products	1987	0.91
Pharmaceutical products	1986	0.89
Pharmaceutical products	1985	1.01
Pharmaceutical products	1984	0.89
Other manufacturing industries	1998	0.89
Other manufacturing industries	1997	0.96
Other manufacturing industries	1996	0.96
Other manufacturing industries	1995	0.90
Other manufacturing industries	1994	0.89
Other manufacturing industries	1993	0.87
Other manufacturing industries	1992	0.73
Other manufacturing industries	1991	0.74
Other manufacturing industries	1990	0.76
Other manufacturing industries	1989	0.74
Other manufacturing industries	1988	0.78
Other manufacturing industries	1987	0.86
Other manufacturing industries	1986	1.00
Other manufacturing industries	1985	1.38
Other manufacturing industries	1984	1.46