id	keyword
issue-2267	gas
issue-2267	market
issue-2267	exchange
issue-2267	trading
issue-2267	gas market
issue-2267	development
issue-2267	energy
issue-2267	eex
issue-2267	european
issue-2267	gas exchange
issue-2267	ukraine
issue-2267	volumes
issue-2267	ueex
issue-2267	cegh
issue-2267	data
issue-2267	infrastructure