3-month percent changes in Employment Cost Index for State and local government, March 2004 - December 2005 Percent change Compensation costs Wages and salaries Benefit costs Mar-04 0.9 0.6 1.6 Jun-04 0.9 0.5 1.8 Sep-04 0.8 0.4 1.6 Dec-04 0.9 0.6 1.5 Mar-05 1.0 0.8 1.5 Jun-05 0.7 0.5 1.2 Sep-05 1.1 0.7 1.7 Dec-05 1.1 0.9 1.5