12-month percent change in Employment Cost Index, June 1997-June 2002 12-month percent change Wages and salaries Benefit costs Jun-97 3.2 2.0 Jun-98 3.8 2.4 Jun-99 3.6 2.5 Jun-00 4.0 5.3 Jun-01 3.7 4.5 Jun-02 3.5 5.0