International Trade Sectoral Nomenclature			CHELEM
			10 sections
B	Construction Products	BA + BB + BC	
C	Basic metals	CA+ CB + CC	
D	Textiles	DA + ... + DE	
E	Wood Paper	EA + ... + EE	
F	Metal Products	FA + ... + FW	
G	Chemicals	GA + ... + GI	
H	Mining	HA + HB + HC	
I	Energy	IA + IB + IC + IG + IH + II	
J	Agriculture	JA + JB + JC	
K	Food Products	KA + ... + KI	
NES	NES	NA + NB + NV	
TT	Total