Annual percent change in multifactor productivity in private nonfarm business, 1990-2000 Percent change 1990 -0.1 1991 -1.0 1992 2.0 1993 0.5 1994 1.0 1995 0.5 1996 1.4 1997 1.0 1998 1.2 1999 0.6 2000 1.8