{"indicator": {"code": "WAT.BASIC.URBAN", "name": "Eau potable de base en zones urbaines", "unit": "%"}, "source": {"name": "World Bank", "producer": "Banque mondiale", "url": "https://data.worldbank.org", "license": "CC BY 4.0", "license_url": "https://datacatalog.worldbank.org/public-licenses"}, "countries": ["NGA"], "observations": [{"country": "NGA", "date": 2010, "value": 79.096332451176}, {"country": "NGA", "date": 2011, "value": 80.227834193002}, {"country": "NGA", "date": 2012, "value": 81.3673482072312}, {"country": "NGA", "date": 2013, "value": 82.5148744938634}, {"country": "NGA", "date": 2014, "value": 83.6704130528981}, {"country": "NGA", "date": 2015, "value": 84.8339638843361}, {"country": "NGA", "date": 2016, "value": 86.0055269881769}, {"country": "NGA", "date": 2017, "value": 87.1851023644203}, {"country": "NGA", "date": 2018, "value": 88.372690013067}, {"country": "NGA", "date": 2019, "value": 89.5682899341165}, {"country": "NGA", "date": 2020, "value": 90.7719021275688}, {"country": "NGA", "date": 2021, "value": 91.983526593424}, {"country": "NGA", "date": 2022, "value": 93.2031633316821}, {"country": "NGA", "date": 2023, "value": 94.4308123423432}, {"country": "NGA", "date": 2024, "value": 95.0773140798401}, {"country": "NGA", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-04T05:36:06.885442+00:00", "methodology": "Accès à un service d'eau potable de base en ville.", "attribution": "Source : Banque mondiale. Données consultées via BNTIC FasoData.", "note": "BNTIC n'est pas producteur de ces statistiques."}, "meta": {"start": 2010, "end": 2026, "cache_ttl": 43200}, "warnings": []}