POSITION	FIELD NAME	DESCRIPTION
1-6	commodity	6-digit Harmonized Schedule (HS) Code
7-10	cty_code	4-digit Country Code
11-14	port_code	4-digit Port of Unlading Code (District + Port)
15-18	year	4-digit Statistical Year
19-20	month	2-digit Statistical Month
21-35	value_mo	15-digit General Imports, Total Value
36-50	air_val_mo	15-digit General Imports, Air Value
51-65	air_swt_mo	15-digit General Imports, Air Shipping Weight
66-80	ves_val_mo	15-digit General Imports, Vessel Value
81-95	ves_swt_mo	15-digit General Imports, Vessel Shipping Weight
96-110	cnt_val_mo	15-digit General Imports, Containerized Vessel Value
111-125	cnt_swt_mo	15-digit General Imports, Containerized Vessel Shipping Weight
126-140	value_yr	15-digit Year-to-Date General Imports, Total Value
141-155	air_val_yr	15-digit Year-to-Date General Imports, Air Value
156-170	air_swt_yr	15-digit Year-to-Date General Imports, Air Shipping Weight
171-185	ves_val_yr	15-digit Year-to-Date General Imports, Vessel Value
186-200	ves_swt_yr	15-digit Year-to-Date General Imports, Vessel Shipping Weight
201-215	cnt_val_yr	15-digit Year-to-Date General Imports, Containerized Vessel Value
216-230	cnt_swt_yr	15-digit Year-to-Date General Imports, Containerized Vessel Shipping Weight