country		name of the country
cnum		number of the country
time		index of the time period
year		year of the observation (a=spring, b=autumn)
neg		number of negative votes
abst		number of abstentions
negabst		number of "no" votes + abstentions
rideo		government's position on the left-right dimension
rinte		government's position on the less/more integration dimension
cost		financial benefits of EU membership
presid		dummy indicating presidency
santer		dummy indicating Prodi's (!!!) commission 
lntotal		log of total number of decisions
swe95a		dummy indicating Sweden in spring 1995
inter		interaction term