GRADE is an organization of Peru, and was considered between the top of Think Tank organizations in the world. The index was developed by Civil Societies Program (TTCSP) of the Lauder Institute at the University of Pennsylvania. This is an important news for Peru, because this organization is working in social issues and their contributions help to development of Peru.
You can see the report in the following link:
http://repository.upenn.edu/cgi/viewcontent.cgi?article=1011&context=think_tanks