Engel Coefficiency(恩格尔系 ●●°数) Change for Chinese (Shanghainese) 60F3.8 52.9 50.149.449.948.6 46.4 50 44.5 41 39.2 40 30 20 010 1991199219931994199519961997199819992000 YearEngel Coefficiency (恩格尔系 数)Change for Chinese (Shanghainese) 52.9 50.1 49.4 49.9 48.6 46.4 44.5 41.9 39.2 53.8 0 10 20 30 40 50 60 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Year Engel coefficient (%)