{"entity":{"iso2":"HK","iso3":"HKG","name":"Hong Kong, China","slug":"hong-kong-sar-china"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"pertussis-number-of-reported-cases-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Pertussis - number of reported cases, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1974-01-01","value":0.0},{"date":"1975-01-01","value":0.0},{"date":"1976-01-01","value":0.0019802},{"date":"1977-01-01","value":0.001},{"date":"1978-01-01","value":0.0},{"date":"1979-01-01","value":0.0},{"date":"1980-01-01","value":0.012},{"date":"1981-01-01","value":0.002},{"date":"1982-01-01","value":0.0010101},{"date":"1983-01-01","value":0.0},{"date":"1984-01-01","value":0.0181818},{"date":"1985-01-01","value":0.0212121},{"date":"1986-01-01","value":0.0010101},{"date":"1987-01-01","value":0.0},{"date":"1988-01-01","value":0.00808081},{"date":"1989-01-01","value":0.0040404},{"date":"1990-01-01","value":0.00808081},{"date":"1991-01-01","value":0.0},{"date":"1992-01-01","value":0.00505051},{"date":"1993-01-01","value":0.00505051},{"date":"1994-01-01","value":0.0040404},{"date":"1995-01-01","value":0.00761905},{"date":"1996-01-01","value":0.00857143},{"date":"1997-01-01","value":0.0114286},{"date":"1998-01-01","value":0.00285714},{"date":"1999-01-01","value":0.0047619},{"date":"2000-01-01","value":0.0104762},{"date":"2001-01-01","value":0.0142857},{"date":"2003-01-01","value":0.0047619},{"date":"2007-01-01","value":0.0295238},{"date":"2008-01-01","value":0.0238095},{"date":"2009-01-01","value":0.0152381},{"date":"2010-01-01","value":0.0047619},{"date":"2011-01-01","value":0.0219048},{"date":"2012-01-01","value":0.0190476},{"date":"2013-01-01","value":0.0190476},{"date":"2014-01-01","value":0.0285714},{"date":"2015-01-01","value":0.047619},{"date":"2016-01-01","value":0.0295238},{"date":"2017-01-01","value":0.0657143},{"date":"2018-01-01","value":0.104762},{"date":"2019-01-01","value":0.0914286},{"date":"2020-01-01","value":0.0209524},{"date":"2021-01-01","value":0.00190476},{"date":"2022-01-01","value":0.00285714},{"date":"2023-01-01","value":0.0142857}],"summary":{"latest_period":"2023-01-01","latest_value":0.0142857,"max":0.104762,"mean":0.0151837,"min":0.0,"of":204,"rank":16,"trend":"volatile"}}