{"series": {"id": 34, "slug": "mines-zinc-t-m", "title": "Zinc (t.m.)", "label": "Zinc (t.m.)", "sector": {"id": 8, "name": "Matières premières"}, "unit": "t", "multiplier": 1, "frequency": "M", "coverage": {"start": "2012-01-01", "end": "2025-10-31"}, "url": "/data_show/34/", "api_url": "/api/series/mines-zinc-t-m/", "code": "cf744346-6e41-4b70-a58b-43d985c52bae", "description": "Source: Banque centrale du Congo (BCC), Bulletins mensuels d'informations statistiques. 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