Iran reportedly exported less than half as much oil and natural-gas condensate in May as it did in April, indicating Russia is cutting out Tehran’s trading opportunities by boosting its own oil sales to China. Tehran shipped about 400,000 barrels per day (bpd) last month, mostly to countries in Asia, commodity data company Kpler said, according to US government-backed broadcaster Radio Farda on Monday. This is a sharp decline from about 820,000 bpd in April, which is in turn less than the 908,000 bpd sent the month prior. It comes as the west imposes heavy sanctions on Russia’s economy in resp…