{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (WHO)","slug":"pertussis-number-of-reported-cases","source":"World Health Organization, Global Health Observatory","source_url":"https://www.who.int/data/gho/data/indicators/indicator-details/GHO/WHS3_43","title":"Pertussis - number of reported cases","unit":null},"observations":[{"date":"1974-01-01","value":7738.0},{"date":"1975-01-01","value":486.0},{"date":"1976-01-01","value":141.0},{"date":"1977-01-01","value":1393.0},{"date":"1978-01-01","value":909.0},{"date":"1979-01-01","value":145.0},{"date":"1980-01-01","value":154.0},{"date":"1981-01-01","value":391.0},{"date":"1982-01-01","value":169.0},{"date":"1983-01-01","value":66.0},{"date":"1984-01-01","value":226.0},{"date":"1985-01-01","value":40.0},{"date":"1986-01-01","value":53.0},{"date":"1987-01-01","value":54.0},{"date":"1988-01-01","value":14.0},{"date":"1989-01-01","value":15.0},{"date":"1990-01-01","value":26.0},{"date":"1991-01-01","value":13.0},{"date":"1992-01-01","value":82.0},{"date":"1993-01-01","value":74.0},{"date":"1994-01-01","value":22.0},{"date":"1995-01-01","value":77.0},{"date":"1996-01-01","value":40.0},{"date":"1997-01-01","value":44.0},{"date":"1998-01-01","value":40.0},{"date":"1999-01-01","value":123.0},{"date":"2000-01-01","value":106.0},{"date":"2001-01-01","value":81.0},{"date":"2002-01-01","value":82.0},{"date":"2003-01-01","value":180.0},{"date":"2004-01-01","value":222.0},{"date":"2005-01-01","value":313.0},{"date":"2006-01-01","value":335.0},{"date":"2007-01-01","value":269.0},{"date":"2008-01-01","value":193.0},{"date":"2009-01-01","value":251.0},{"date":"2010-01-01","value":54.0},{"date":"2011-01-01","value":46.0},{"date":"2012-01-01","value":102.0},{"date":"2013-01-01","value":89.0},{"date":"2014-01-01","value":52.0},{"date":"2015-01-01","value":35.0},{"date":"2016-01-01","value":98.0},{"date":"2017-01-01","value":116.0},{"date":"2018-01-01","value":114.0},{"date":"2019-01-01","value":70.0},{"date":"2020-01-01","value":27.0},{"date":"2021-01-01","value":3.0},{"date":"2022-01-01","value":17.0},{"date":"2023-01-01","value":20.0},{"date":"2024-01-01","value":2721.0},{"date":"2025-01-01","value":88.0}],"summary":{"latest_period":"2025-01-01","latest_value":88.0,"max":7738.0,"mean":350.365,"min":3.0,"of":210,"rank":75,"trend":"volatile"}}