{"source_id":"kushiro_port_stats","metric_count":192,"point_count":0,"latest_fetched_at":"2026-05-26T06:58:10.793Z","metrics":[{"name":"port_cargo_export_domestic","count":24,"unit":"tonnes","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_cargo_export_foreign","count":24,"unit":"tonnes","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_cargo_export_total","count":24,"unit":"tonnes","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_cargo_import_domestic","count":24,"unit":"tonnes","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_cargo_import_foreign","count":24,"unit":"tonnes","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_cargo_import_total","count":24,"unit":"tonnes","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_ship_count_total","count":24,"unit":"隻","period_range":{"start":"2001-01-01","end":"2024-12-31"}},{"name":"port_ship_gross_tonnage_total","count":24,"unit":"総トン","period_range":{"start":"2001-01-01","end":"2024-12-31"}}]}