27. Monthly currency exchange rate estimates by market 36 countries, 2126 markets (2007+) Bookmark Format Series - ongoing
28. Monthly energy price estimates by product and market 11 countries, 386 markets (2007+) Bookmark Format Series - ongoing
29. Monthly food price estimates by product and market, 2007/01/01-2023/12/01 Bookmark Format Series - ongoing
30. Polity V: Political Regime Characteristics and Transitions, 1800-2018 Bookmark Format Series - ongoing