According to the data, the volume of oil exports in the country fell by 3% to 104.9 million tons in the first five months of the year compared to the same period last year.
Oil export revenue fell 6% to $121 billion last year compared to 2018.
Oil and gas exports account for about 40% of the federal budget in Russia.
The natural gas export revenue of the country's gas giant, Gazprom, also fell by 52.6% to $9.7 billion in the January-May period of 2020 compared to the same period last year.
Gazprom's natural gas export volume including via pipelines decreased by 23.3% to 73 billion cubic meters in the January-May period compared to the same period of 2019.
(Anadolu Agency, July 7, 2020)