Note: Data refer to Sep.2002. Data refer to Feb.2003.1992=100. Data refer to Dec.2002. Data refer to Dec.2001.1994=100. Data refer to Jan.2003.Data refer to Mar.2002. Data refer to Nov.2002. 1995=100. 1998=100. 1991=100.1997=100 Data refer to March 2003.
