{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"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":"1975-01-01","value":0.0},{"date":"1976-01-01","value":0.0},{"date":"1977-01-01","value":0.0},{"date":"1978-01-01","value":5.05202e-06},{"date":"1979-01-01","value":3.29102e-06},{"date":"1980-01-01","value":3.75516e-08},{"date":"1981-01-01","value":0.0},{"date":"1982-01-01","value":8.47455e-06},{"date":"1983-01-01","value":8.21504e-07},{"date":"1984-01-01","value":6.22584e-08},{"date":"1985-01-01","value":3.33008e-08},{"date":"1986-01-01","value":1.46636e-08},{"date":"1987-01-01","value":0.0},{"date":"1988-01-01","value":0.0},{"date":"1989-01-01","value":9.40336e-09},{"date":"1990-01-01","value":2.64168e-08},{"date":"1991-01-01","value":0.0},{"date":"1992-01-01","value":0.0},{"date":"1993-01-01","value":0.0},{"date":"1995-01-01","value":0.0},{"date":"1996-01-01","value":0.0},{"date":"1997-01-01","value":0.0},{"date":"1998-01-01","value":0.0},{"date":"1999-01-01","value":0.0},{"date":"2000-01-01","value":0.0},{"date":"2001-01-01","value":5.52129e-09},{"date":"2002-01-01","value":1.09431e-08},{"date":"2003-01-01","value":0.0},{"date":"2004-01-01","value":0.0},{"date":"2005-01-01","value":3.43742e-08},{"date":"2006-01-01","value":6.84385e-09},{"date":"2007-01-01","value":0.0},{"date":"2008-01-01","value":0.0},{"date":"2009-01-01","value":1.60044e-08},{"date":"2010-01-01","value":0.0},{"date":"2011-01-01","value":0.0},{"date":"2012-01-01","value":8.49035e-09},{"date":"2013-01-01","value":0.0},{"date":"2016-01-01","value":0.0},{"date":"2017-01-01","value":0.0},{"date":"2018-01-01","value":0.0},{"date":"2023-01-01","value":0.0},{"date":"2024-01-01","value":0.0},{"date":"2025-01-01","value":0.0}],"summary":{"latest_period":"2025-01-01","latest_value":0.0,"max":8.47455e-06,"mean":4.06929e-07,"min":0.0,"of":201,"rank":138,"trend":"volatile"}}