{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"new-books-per-million","source":"Jonathan Fink-Jensen, IISH Data Collection (2015) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/new-books-per-million","title":"Number of new book titles published per million people","unit":"book titles per million people"},"observations":[{"date":"1937-01-01","value":382.407},{"date":"1938-01-01","value":418.952},{"date":"1939-01-01","value":503.326},{"date":"1940-01-01","value":468.347},{"date":"1941-01-01","value":430.975},{"date":"1942-01-01","value":387.978},{"date":"1943-01-01","value":263.474},{"date":"1944-01-01","value":107.625},{"date":"1945-01-01","value":209.882},{"date":"1947-01-01","value":353.482},{"date":"1948-01-01","value":332.539},{"date":"1949-01-01","value":267.547},{"date":"1950-01-01","value":297.221},{"date":"1951-01-01","value":287.537},{"date":"1952-01-01","value":279.179},{"date":"1953-01-01","value":443.637},{"date":"1954-01-01","value":452.494},{"date":"1955-01-01","value":384.431},{"date":"1957-01-01","value":472.472},{"date":"1959-01-01","value":407.937},{"date":"1960-01-01","value":428.224},{"date":"1961-01-01","value":467.826},{"date":"1963-01-01","value":466.32},{"date":"1964-01-01","value":421.888},{"date":"1965-01-01","value":443.095},{"date":"1966-01-01","value":418.379},{"date":"1967-01-01","value":451.733},{"date":"1968-01-01","value":427.619},{"date":"1969-01-01","value":420.67},{"date":"1970-01-01","value":447.49},{"date":"1971-01-01","value":490.605},{"date":"1972-01-01","value":463.842},{"date":"1973-01-01","value":459.692},{"date":"1974-01-01","value":445.11},{"date":"1975-01-01","value":420.721},{"date":"1976-01-01","value":435.521},{"date":"1977-01-01","value":464.703},{"date":"1978-01-01","value":480.957},{"date":"1979-01-01","value":522.04},{"date":"1980-01-01","value":529.314},{"date":"1981-01-01","value":567.792},{"date":"1982-01-01","value":570.169},{"date":"1983-01-01","value":552.62},{"date":"1984-01-01","value":601.124},{"date":"1985-01-01","value":578.181},{"date":"1986-01-01","value":549.629},{"date":"1987-01-01","value":510.814},{"date":"1988-01-01","value":487.529},{"date":"1989-01-01","value":505.336},{"date":"1990-01-01","value":383.628},{"date":"1991-01-01","value":371.621},{"date":"1992-01-01","value":551.25},{"date":"1993-01-01","value":683.616},{"date":"1994-01-01","value":709.298},{"date":"1995-01-01","value":654.085},{"date":"1996-01-01","value":593.063}],"summary":{"latest_period":"1996-01-01","latest_value":593.063,"max":709.298,"mean":448.695,"min":107.625,"of":68,"rank":29,"trend":"rising"}}