Incidence rate for cases of workplace injuries and ilnnesses with days away from work, private industry, 1990-99 Year Cases per 100 full-time workers 1990 3.4 1991 3.2 1992 3.0 1993 2.9 1994 2.8 1995 2.5 1996 2.2 1997 2.1 1998 2.0 1999 1.9