12-month percent changes in Employment Cost Index, state and local government, December 2002-December 2007 Percent changes Compensation Wages and Benefit costs salaries costs Dec-02 4.1 3.1 6.3 Dec-03 3.5 2.2 6.3 Dec-04 3.6 2.1 6.7 Dec-05 4.1 3.1 6.3 Dec-06 4.1 3.5 5.2 Dec-07 4.1 3.5 5.5