12-month percent changes in Employment Cost Index, civilian workers Compensation Wages Benefits Sept. 1996 2.8 3.2 1.8 Sept. 1997 3.0 3.5 1.9 Sept. 1998 3.7 4.0 2.6 Sept. 1999 3.1 3.3 2.7 Sept. 2000 4.3 4.0 5.3 Sept. 2001 4.1 3.6 5.1