In terms of corruption Bulgaria ranks 47th in the world, the `Transparency International` organization announced. Its document is based on assessments of corruption made by businessmen, scientists and analysts and on the surveys of seven independent institutes in 91 countries. Bulgaria, Croatia and the Czech Republic share the 47th place. Corruption is measured by a 10 to 1 index system. Bulgaria gained 3.9 points. Finland with 9.9 and Denmark with 9.5 points top the list as the countries with the least corruption.