3-month percent changes in Employment Cost Index, wages and salaries and benefit costs for State and local government, seasonally adjusted, Dec. 1999-Sep. 2001 Wages and Benefits salaries Dec. 1999 1.0 1.2 Mar. 2000 0.9 0.8 Jun. 2000 0.8 0.5 Sep. 2000 0.8 0.3 Dec. 2000 0.8 0.7 Mar. 2001 1.0 1.2 Jun. 2001 1.1 1.1 Sep. 2001 1.0 2.4