Demand for USD at the FX auction organized by Azerbaijan central bank dropped to USD 8.6 mln on Tuesday, a decrease from USD 14.1 mln at the previous auction. The exchange rate remained steady at 1.7 manats per USD. The bank, which holds FX auctions twice a week, sold a total of USD 277.2 mln in May, compared to USD 286 mln in April and USD 383.9 mln in March.