The GEF Agencies required to prepare a terminal evaluation for a completed GEF project that they implemented. All terminal evaluations and ratings are reviewed and validated by the IEO and/or the evaluation office of the respective GEF Agency. The dataset of these validated performance ratings has been used to produce the graphics below. As of 2019, the dataset covers 1,566 completed GEF projects which account for $6.9 billion in GEF grants. This dataset was also used for analysis presented in the GEF IEO Annual Performance Report 2019.