3-month percent changes in Employment Cost Index, private industry workers, seasonally adjusted, September 2005-June 2007 Percent change Compensation costs Wages and salaries Benefit costs Sep. 2005 0.7 0.6 0.8 Dec. 2005 0.6 0.7 0.7 Mar. 2006 0.7 0.7 0.5 June. 2006 0.8 0.8 0.7 Sep. 2006 0.9 0.8 1.0 Dec. 2006 0.8 0.8 0.9 Mar. 2007 0.6 1.1 -0.3 June. 2007 0.9 0.8 1.1