3-month percent changes in Employment Cost Index, wages and salaries and benefit costs for State and local government, seasonally adjusted, Mar. 2001-Dec. 2002 Percent change Wages and Benefits salaries Mar. 2001 0.9 1.1 Jun. 2001 1.0 1.2 Sep. 2001 1.0 2.2 Dec. 2001 0.7 0.8 Mar. 2002 0.7 0.7 Jun. 2002 0.8 0.8 Sep. 2002 0.9 3.0 Dec. 2002 0.8 1.6