id	keyword
fennia-41327	cargo
fennia-41327	regression
fennia-41327	model
fennia-41327	growth
fennia-41327	finland
fennia-41327	estonia
fennia-41327	year
fennia-41327	data
fennia-41327	sea
fennia-41327	trade
fennia-41327	volumes
fennia-41327	transports
fennia-41327	gdp
fennia-41327	period
fennia-41327	error
fennia-41327	tons