However, based on the criteria used, the analysis can be considered to both under and over-estimate the available amount of resources. The quantitative data here presented is indicative (or best effort), due to the lack of precise identification of STI in the underlying statistical classification. While lots of detailed information exists on development activities through the CRS, the lack of adequate classifications that conforms to official STI definitions and standards pose a challenge in assessing the portion of development finance targeting STI.