Official exports of petroleum to North Korea have hit their lowest point since the start of data collection in 2017, according to the United Nations.

In August, Russia and China only reported sending a total of 173 tons to the DPRK — a crash of more than 88% compared to July’s total, and a year-over-year decrease of 96% from Aug. 2019.

Because of sanctions, U.N. members must report how much fuel they send to North Korea, which is capped at 500,000 barrels per year. There are strong allegations, even from the U.N. itself, that North Korea has routinely breached