{"id":"who.who-hwf-0017.nga.annual","dataset_id":"who-hwf-0017","indicator":"who-hwf-0017","geography":"NGA","frequency":"annual","unit":"count","start_period":"2005","end_period":"2022","org":"World Health Organization","original_indicator":"HWF_0017","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-08T10:28:13+00:00","version":"1","geography_name":"Nigeria","region":"Sub-Saharan Africa ","observations":[{"period":"2005","value":3441.0,"flags":""},{"period":"2007","value":4280.0,"flags":""},{"period":"2008","value":4280.0,"flags":""},{"period":"2009","value":4280.0,"flags":""},{"period":"2010","value":4717.0,"flags":""},{"period":"2011","value":6225.0,"flags":""},{"period":"2012","value":6542.0,"flags":""},{"period":"2019","value":14.0,"flags":""},{"period":"2021","value":1234.0,"flags":""},{"period":"2022","value":20.0,"flags":""}],"indicator_name":"Environmental and Occupational Health and Hygiene Professionals","topic":"Health","source":"who","provenance":{"organization":"World Health Organization","original_indicator":"HWF_0017","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-08T10:28:13+00:00","version":"1","license":"see source"}}