| TMILEP_S_F | Flag for Standard Error for Ton-Miles (Percent of Total) | CFS Preliminary Report: Shipment Characteristics by Mode of Transportation: 2017;CFS Preliminary Report: Shipment Characteristics by Total Modal Activity: 2017;CFS Preliminary Report: Shipment Characteristics by Distance Shipped: 2017;CFS Preliminary Report: Shipment Characteristics by Shipment Weight: 2017;CFS Preliminary Report: Shipment Characteristics by 2-digit Commodity: 2017 | not required | TMILEP_S | 0 | string | CF1700P6,
CF1700P3,
CF1700P4,
CF1700P1,
CF1700P2 |