{"id":"worldbank.progression-to-secondary-school.bgr.annual","dataset_id":"worldbank-progression-to-secondary-school","indicator":"progression-to-secondary-school","geography":"BGR","frequency":"annual","unit":"percent","start_period":"1971","end_period":"2016","org":"World Bank","original_indicator":"SE.SEC.PROG.ZS","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Bulgaria","region":"Europe & Central Asia","observations":[{"period":"1971","value":98.93899,"flags":""},{"period":"1972","value":99.20191,"flags":""},{"period":"1973","value":99.22075,"flags":""},{"period":"1974","value":99.36977,"flags":""},{"period":"1975","value":99.40962,"flags":""},{"period":"1976","value":98.81441,"flags":""},{"period":"1977","value":99.31614,"flags":""},{"period":"1978","value":97.86037,"flags":""},{"period":"1979","value":98.86146,"flags":""},{"period":"1980","value":99.04887,"flags":""},{"period":"1981","value":98.68209,"flags":""},{"period":"1982","value":98.73583,"flags":""},{"period":"1983","value":98.50474,"flags":""},{"period":"1984","value":98.56432,"flags":""},{"period":"1985","value":98.94395,"flags":""},{"period":"1986","value":99.79759,"flags":""},{"period":"1987","value":98.71651,"flags":""},{"period":"1988","value":99.28481,"flags":""},{"period":"1989","value":93.54264,"flags":""},{"period":"1990","value":98.30983,"flags":""},{"period":"1991","value":98.27283,"flags":""},{"period":"1992","value":96.68307,"flags":""},{"period":"1993","value":95.30895,"flags":""},{"period":"1994","value":98.59691,"flags":""},{"period":"1995","value":99.41222,"flags":""},{"period":"1996","value":97.66742,"flags":""},{"period":"1998","value":98.5555,"flags":""},{"period":"2000","value":99.33849,"flags":""},{"period":"2001","value":98.28265,"flags":""},{"period":"2002","value":98.22457,"flags":""},{"period":"2003","value":98.29525,"flags":""},{"period":"2004","value":98.33621,"flags":""},{"period":"2005","value":98.32853,"flags":""},{"period":"2006","value":97.72001,"flags":""},{"period":"2007","value":97.31275,"flags":""},{"period":"2008","value":97.91639,"flags":""},{"period":"2009","value":98.80542,"flags":""},{"period":"2010","value":98.66867,"flags":""},{"period":"2011","value":99.05417,"flags":""},{"period":"2012","value":99.29677,"flags":""},{"period":"2013","value":99.60124,"flags":""},{"period":"2014","value":99.2541,"flags":""},{"period":"2015","value":98.70297,"flags":""},{"period":"2016","value":99.33268,"flags":""}],"indicator_name":"Progression to secondary school","topic":"Education","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"SE.SEC.PROG.ZS","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}