Russia's	rus	0.1374
foreign	foreign	0.1374
trade	trad	0.1374
billion dollars	billion dol	0.1374
foreign trade	foreign trad	0.1374
economic	econom	0.1374
favourable	favour	0.0497
market	mark	0.0497
favourable balance	favour bal	0.0497
Russia's foreign	rus foreign	0.0497
World	world	0.0497
increase exports	incr export	0.0497
necessary	nec	0.0497
made	mad	0.0081
country's	countr	0.0081