Corruption Perceptions Index 2020 Corruption Perceptions Index 2019 Corruption Perceptions Index 2018 Corruption Perceptions Index 2017 Corruption Perceptions Index 2016 Corruption Perceptions Index 2015 Corruption Perceptions Index 2014 Corruption Perceptions Index 2013 Corruption Perceptions Index 2012 Corruption Perceptions Index 2011 Corruption Perceptions Index 2010