Employment in the electric services industry, SIC 4911, selected years, 1976-97 Thousands 1976 327.4 1980 391.0 1985 448.1 1990 454.4 1991 447.7 1992 440.3 1993 428.2 1994 416.5 1995 404.1 1996 383.2 1997 368.3