id	keyword
fueconorg-13562	cluster
fueconorg-13562	green
fueconorg-13562	sustainability
fueconorg-13562	states
fueconorg-13562	indicators
fueconorg-13562	member
fueconorg-13562	european
fueconorg-13562	energy
fueconorg-13562	analysis
fueconorg-13562	emissions
fueconorg-13562	countries
fueconorg-13562	level
fueconorg-13562	reporting
fueconorg-13562	eu member
fueconorg-13562	waste
fueconorg-13562	member states
fueconorg-13562	regression
fueconorg-13562	cluster analysis