KYIV, Dec 14 - Naftogaz Ukrayiny in 2021 allocated UAH 42 billion for the purchase of imported gas, and UAH 44 billion for Ukrainian gas, head of the company's board Yuriy Vitrenko said.

"Naftogaz imported gas most of all - 77% of all gas imported to Ukraine (June-October 2021). We spent UAH 42 billion on imported gas and UAH 44 billion on the purchase of gas of our own production," he said on the air of ICTV Channel.