According to Transparency International's Global Corruption Barometer 2010, a worldwide public opinion survey on corruption, six out of ten people believe that corruption has increased over the last three years. One in every four people of the 91,000 surveyed reported paying bribes in the last year. In Europe and North America 73 per cent and 67 per cent of people respectively think corruption has increased over the past three years. Seven out ten people surveyed stated that they would be willing to report an incident of bribery. The biggest number of reported bribery payments in 2010 were in Afghanistan, Cambodia, Cameroon, India, Iraq, Liberia, Nigeria, Palestine, Senegal, Sierra Leone and Uganda where more than 50 per cent of people surveyed paid a bribe in the past 12 months.