3-month percent changes in Employment Cost Index for State and local government, December 2005-September 2007 Percent change Compensation costs Wages and salaries Benefit costs Dec-05 1.1 1.0 1.3 Mar-06 0.7 0.5 1.1 Jun-06 1.0 0.9 1.3 Sep-06 1.3 1.3 1.4 Dec-06 1.0 0.8 1.4 Mar-07 1.3 0.9 2.1 Jun-07 1.1 0.8 1.7 Sep-07 0.8 1.0 0.7