 One Venebarametro poll found that 61.4% found that Maduro had become a dictator, while in a poll taken by Keller and Associates, 63% of those questioned thought that Maduro was a dictator.In November 2014, Datanálisis polls indicated that more than 66% of Venezuelans believed that Maduro should not finish his six-year term, with government supporters representing more than 25% of those believing that Maduro should resign.In March and April 2015, Maduro saw a small increase in approval after initiating a campaign of anti-US rhetoric following the sanctioning of seven officials accused by the United States of participating in human rights violations.