China shipped more than 10,000 tons of oil to North Korea in the last four months of 2019, according to new data made public by the UN.

The monthly totals were 2968 tons in September, 3118 tons in October, 1987 tons in November, and 2131 tons in December.

October’s number was the highest of any month since the UN Security Council (UNSC) began requiring countries to report their refined petroleum exports to the DPRK under resolution 2397, which passed in late 2017.

In addition to the reporting requirements, UNSC resolution 2397 also sets an annual limit on oil exports to the