States.csv contains the following variables (variables names are

listed in the first row).  Nonstandard variable formats are listed 

beside the variable name.



state    str2      State abbreviation

agr                Employment in agriculture (percent), 1990

man                Employment in manufacturing (percent), 1990

inc                Per capita income, 1990

unemp              Unemployment rate, 1993

union              Union members (percent of workers), 1995

edu                Bachelor or advanced degree, 1990

avpay    long      Average annual pay, 1993

medy     long      Median income, 1993

pov                Poverty rate, 1993

exempl             Export related employment (percent of total), 1991

ser                Employment in services and government (percent), 1990