The Islamic Republic of Iran Customs Administration (IRICA) has reported that drug seizures between March and June 2021 increased by 523% compared with the same period in 2020. During the 3-month period, more than 117kgs of opium, 5kgs of methamphetamine, 140 kgs of heroin, and 8kgs of cannabis were seized.

Source: https://financialtribune.com/articles/domestic-economy/109205/irica-523-increase-in-drug-confiscations