(p.33) Shows that :

Natural Gas Consumption = 2,765,729 (Nm3)

Electricity Consumption = 1,088,052 (MWh) = 3916987.2 Gigajoules (Converter URLs= http://www.convertunits.com/from/MWh/to/gigajoule)

However, it is hard to know that combining the two data above converted into Gigajoules might be the answers.

*Please double check!