Complex sentence: According to a Corruption Perceptions Index report in 2006, there is a strong correlation between corruption and poverty and Haiti ranked first of all countries surveyed for of levels of perceived domestic corruption.
Split into simpler sentences: According to a 2006 report by the Corruption Perceptions Index, there is a strong correlation between corruption and poverty in Haiti. The nation ranked first of "all" countries surveyed for of levels of perceived domestic corruption.