Lost workday cases per 100,000 workers 
in manufacturing, 1976-97

	Restricted 	Away 
	activity	from work
1976	0.4		4.4
1977	0.4		4.7
1978	0.5		5
1979	0.6		5.2
1980	0.6		4.8
1981	0.6		4.5
1982	0.5		3.9
1983	0.5		3.8
1984	0.6		4.1
1985	0.6		4
1986	0.7		4
1987	1		4.2
1988	1.3		4.5
1989	1.4		4.4
1990	1.6		4.2
1991	1.7		3.9
1992	1.9		3.5
1993	2		3.3
1994	2.3		3.2
1995	2.4		2.9
1996	2.4		2.5
1997	2.4		2.4