Mexico’s Pemex booked a 44% decline in crude oil exports last month, to some 530,000 barrels daily, which was the lowest export rate in decades, Reuters said in a report. For context, the average daily rate of exports by Pemex last year stood at about 811,000 barrels. The January average, on the other hand, was the lowest since 1990. Crude oil exports to the Americas fell by 36% in January to some 321,000 barrels daily. The biggest American market for Pemex crude is the United States, where Bloomberg reported earlier this month that refiners…