Full edition for scientific use. The survey aimed at understanding researchers' data reuse behavior and was carried out at selected universities in Austria, Belgium, France, Germany, and Italy. The survey encompasses researchers' views on 1) the importance of different kinds of data reuse and reuse, 2) the importance of different tools for finding data, and the main aspects influencing whether a researcher reuses data or not, 3) whether reuse is encouraged, and 4) perspectives on different aspects of reusability. The survey also asks how important different services are, how available they are, the relevance of international collaboration and factors that influence data sharing along with potential services that might help with research.