3-month percent changes in Employment Cost Index, private industry workers, seasonally adjusted, March 2001-December 2002 Percent change Compensation costs Wages and salaries Benefit costs Mar. 2001 1.1 1.0 1.3 June 2001 1.0 1.0 1.1 Sep. 2001 0.9 0.7 1.4 Dec. 2001 1.0 0.9 1.3 Mar. 2002 0.9 0.9 1.1 June 2002 1.1 1.0 1.4 Sep. 2002 0.6 0.4 1.0 Dec. 2002 0.7 0.4 1.2