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and projected fields are identified in the schema." ], "columnTypes": { "year": "UInt16", "exporter_iso3": "String", "importer_iso3": "String", "hs_code": "String", "your_market_share_pct": "Float64", "your_share_change_pp": "Nullable(Float64)", "market_imports_usd": "Float64", "market_yoy_growth_pct": "Nullable(Float64)", "market_cagr_3y_pct": "Nullable(Float64)", "top_supplier_iso3": "Nullable(String)", "top_supplier_share_pct": "Nullable(Float64)", "your_share_gap_pp": "Nullable(Float64)", "num_suppliers": "Nullable(UInt16)", "market_hhi": "Nullable(Float64)", "volatility_mean_usd": "Nullable(Float64)", "volatility_stddev_usd": "Nullable(Float64)", "volatility_cv": "Nullable(Float64)", "max_drawdown_pct": "Nullable(Float64)", "momentum_yoy_pct": "Nullable(Float64)", "momentum_acceleration_pct": "Nullable(Float64)", "anomaly_type": "Nullable(String)", "anomaly_severity": "Nullable(String)", "anomaly_z_score": "Nullable(Float64)", "new_corridor_signal_type": "Nullable(String)", 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