International Trade Sectoral Nomenclature			CHELEM
			11 chains
R01	Energy	IA + ... + II	
R02	Food Agriculture	JA + ... + JC + KA + ... + KI	
R03	Textiles	DA + ... + DE	
R04	Wood Paper	EA + ... + EE	
R05	Chemicals	GA + ... + GI + BA + ... + BC + HC	
R06	Iron & Steel	HA + CA + CB	
R07	Non ferrous	HB + CC	
R08	Machinery	FA + ... + FH + FV + FW	
R09	Vehicules	FS + FT + FU	
R10	Electrical	FP + FQ + FR	
R11	Electronic	FI + ... + FO	
NES	NES	NA + NB + NV	
TT	Total