Should the number of countries in the European Union be reduced to 15?

Data includes total votes submitted by visitors since Feb 13, 2017. For users that answer more than once (yes we know), only their most recent answer is counted in the total results. Total percentages may not add up to exactly 100% as we allow users to submit "grey area" stances that may not be categorized into yes/no stances.

根据30日均线的数据以减少每日方差的流量来源。总数加起来可能恰好是100％，因为我们允许用户提交可能不被分类为有/无立场“灰色地带”的立场。