Annual percent change in output per hour, travel agencies, 1988-2002 Percent change 1988 2.5 1989 -0.7 1990 -0.7 1991 -6.5 1992 4.9 1993 -3.7 1994 3.4 1995 3.5 1996 7.0 1997 1.4 1998 -1.1 1999 6.2 2000 1.4 2001 -6.7 2002 14.7