Russia	rus	0.1374
Serguei Ivanov	sergu ivanov	0.1374
Security	secur	0.1374
Security Council	secur council	0.1374
Federation	feder	0.1374
secretary	secr	0.1374
visit	visit	0.0497
Federation of Russia	feder of rus	0.0497
United States	unit st	0.0497
Presidents	presid	0.0497
countries	countr	0.0081
americain	americain	0.0081
espere	esper	0.0081
contacts	contact	0.0081
visit of work	visit of work	0.0081