Read the first sentence in the article and not just what's in the link. Once again, what is not clear about this?
"A number of 64% of Ukrainians prefer country's joining the European Union rather than the country's accession to the Customs Union (17%), and 19% are undecided yet, according to the poll made by the Rating Sociological Group. "
The Ukrainian Government wants to join EU and a majority of the population. What is your problem with these facts? That some buddies of you have a different opinion?