{"entity":{"iso2":"NL","iso3":"NLD","name":"Netherlands","slug":"netherlands"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"pertussis-number-of-reported-cases-annual-growth-rate","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, annual growth rate","unit":"% change on previous year"},"observations":[{"date":"1977-01-01","value":525.0},{"date":"1978-01-01","value":-96.0},{"date":"1980-01-01","value":15.3846},{"date":"1981-01-01","value":66.6667},{"date":"1982-01-01","value":60.0},{"date":"1983-01-01","value":150.0},{"date":"1984-01-01","value":167.0},{"date":"1985-01-01","value":185.019},{"date":"1986-01-01","value":41.8528},{"date":"1987-01-01","value":25.4748},{"date":"1988-01-01","value":-95.3119},{"date":"1989-01-01","value":241.732},{"date":"1990-01-01","value":8.52535},{"date":"1991-01-01","value":-65.1805},{"date":"1992-01-01","value":3.04878},{"date":"1993-01-01","value":73.9645},{"date":"1994-01-01","value":82.3129},{"date":"1995-01-01","value":-40.4851},{"date":"1996-01-01","value":770.846},{"date":"1997-01-01","value":42.0806},{"date":"1998-01-01","value":-42.944},{"date":"1999-01-01","value":178.819},{"date":"2000-01-01","value":-22.9814},{"date":"2005-01-01","value":-28.2893},{"date":"2006-01-01","value":-34.2311},{"date":"2007-01-01","value":70.4281},{"date":"2008-01-01","value":18.2389},{"date":"2009-01-01","value":-28.3916},{"date":"2010-01-01","value":-53.0474},{"date":"2011-01-01","value":130.975},{"date":"2012-01-01","value":101.487},{"date":"2013-01-01","value":-78.9109},{"date":"2014-01-01","value":213.506},{"date":"2015-01-01","value":-26.7188},{"date":"2016-01-01","value":-46.0554},{"date":"2017-01-01","value":27.188},{"date":"2018-01-01","value":4.5505},{"date":"2019-01-01","value":29.0658},{"date":"2020-01-01","value":-84.4876},{"date":"2021-01-01","value":-92.1527},{"date":"2022-01-01","value":74.3243},{"date":"2024-01-01","value":543.085},{"date":"2025-01-01","value":-98.1683}],"summary":{"latest_period":"2025-01-01","latest_value":-98.1683,"max":770.846,"mean":67.8423,"min":-98.1683,"of":191,"rank":119,"trend":"volatile"}}