12-month percent changes in Employment Cost Index, private industry, March 2004-March 2009 Percent changes Compensation Wages and Benefit costs salaries costs Mar-04 3.8 2.6 6.8 Mar-05 3.5 2.7 5.5 Mar-06 2.6 2.4 3.0 Mar-07 3.2 3.6 2.2 Mar-08 3.2 3.2 3.2 Mar-09 1.9 2.0 1.6