Larger collections span decades— data archived from the Gallup Organization numbers over 2,000 studies and spans 1936-present. ABC News and CBS News have each archived about 1,000 surveys over the last four decades, many with their respective partners, Washington Post and New York Times. The National Exit Polls have been archived with us since the first Presidential Exit Poll in 1972. The Roper Center has long held a large collection of surveys conducted in countries around the globe. Over 8,000 datasets represent 100+ countries and more than 150 different survey organizations.