{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"annual-freight-transport","source":"Organisation for Economic Co-operation and Development","source_url":"https://data-explorer.oecd.org/vis?df[ds]=dsDisseminateFinalDMZ&df[id]=DSD_TRENDS@DF_TRENDSFREIGHT","title":"Annual freight transport","unit":"Tonnes-kilometres"},"observations":[{"date":"1970-01-01","value":24.0},{"date":"1971-01-01","value":11.0},{"date":"1972-01-01","value":9.0},{"date":"1973-01-01","value":11.0},{"date":"1974-01-01","value":13.0},{"date":"1975-01-01","value":19.0},{"date":"1976-01-01","value":11.0},{"date":"1977-01-01","value":14.0},{"date":"1978-01-01","value":1.0},{"date":"1979-01-01","value":17.0},{"date":"1980-01-01","value":12.0},{"date":"1981-01-01","value":32.0},{"date":"1982-01-01","value":36.0},{"date":"1983-01-01","value":45.0},{"date":"1984-01-01","value":65.0},{"date":"1985-01-01","value":123.0},{"date":"1986-01-01","value":143.0},{"date":"1987-01-01","value":104.0},{"date":"1988-01-01","value":112.0},{"date":"1989-01-01","value":107.0},{"date":"1990-01-01","value":87.0},{"date":"1991-01-01","value":41.0},{"date":"1992-01-01","value":2.0}],"summary":{"latest_period":"1992-01-01","latest_value":2.0,"max":143.0,"mean":45.1739,"min":1.0,"of":21,"rank":21,"trend":"volatile"}}