{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"pertussis-number-of-reported-cases-per-unit-of-gdp","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, per unit of GDP","unit":"units per US$ of GDP"},"observations":[{"date":"1990-01-01","value":4.42574e-09},{"date":"1991-01-01","value":3.53213e-09},{"date":"1992-01-01","value":6.25417e-09},{"date":"1993-01-01","value":3.26936e-09},{"date":"1994-01-01","value":6.29039e-09},{"date":"1995-01-01","value":3.84349e-09},{"date":"1996-01-01","value":2.05207e-09},{"date":"1997-01-01","value":1.30837e-08},{"date":"1998-01-01","value":1.63793e-08},{"date":"1999-01-01","value":5.13169e-09},{"date":"2000-01-01","value":1.31191e-08},{"date":"2001-01-01","value":1.25689e-08},{"date":"2002-01-01","value":8.9537e-09},{"date":"2003-01-01","value":9.30633e-09},{"date":"2004-01-01","value":1.1527e-08},{"date":"2005-01-01","value":6.27036e-09},{"date":"2006-01-01","value":4.40881e-09},{"date":"2007-01-01","value":4.62399e-09},{"date":"2009-01-01","value":5.42084e-09},{"date":"2010-01-01","value":2.64792e-09},{"date":"2012-01-01","value":9.39879e-09},{"date":"2013-01-01","value":4.21282e-09},{"date":"2016-01-01","value":1.44804e-08},{"date":"2017-01-01","value":5.80289e-09},{"date":"2018-01-01","value":2.61008e-09},{"date":"2020-01-01","value":1.2312e-09},{"date":"2021-01-01","value":2.61184e-10},{"date":"2022-01-01","value":5.33347e-10},{"date":"2023-01-01","value":1.13484e-09},{"date":"2024-01-01","value":3.57422e-08},{"date":"2025-01-01","value":1.09349e-08}],"summary":{"latest_period":"2025-01-01","latest_value":1.09349e-08,"max":3.57422e-08,"mean":7.40166e-09,"min":2.61184e-10,"of":201,"rank":26,"trend":"volatile"}}