Measuring corruption statistically is difficult if not impossible due to the illicit nature of the transaction and imprecise definitions of corruption. While "corruption" indices first appeared in 1995 with the Corruption Perceptions Index CPI, all of these metrics address different proxies for corruption, such as public perceptions of the extent of the problem. COUNT 3
QSN1 Why is it difficult to measure corruption? ANS1 imprecise definitions of corruption QSN2 When did indices on corruption first appear? ANS2 1995 QSN3 What was the first index on corruption, in 1995? ANS3 the Corruption Perceptions Index CPI