3-month percent changes in Employment Cost Index, private industry workers, seasonally adjusted, June 2004-March 2006 Percent change Compensation costs Wages and salaries Benefit costs June 2004 1.0 0.7 1.6 Sep. 2004 0.9 0.8 1.0 Dec. 2004 0.7 0.4 1.2 Mar. 2005 0.9 0.7 1.5 June 2005 0.6 0.5 0.8 Sep. 2005 0.7 0.6 0.9 Dec. 2005 0.7 0.6 0.7 Mar. 2006 0.6 0.7 0.4