What are the top high-yield government bonds and treasury securities available in the Central African Republic through the CEMAC regional financial market? Which Treasury bills (BTA) and Treasury bonds (OTA) currently offer the highest interest rates and returns for investors seeking fixed-income opportunities in the region? How do bond yields in the Central African Republic compare with other CEMAC countries such as Cameroon, Gabon, and Congo in terms of risk, maturity period, and investor demand? Which sovereign debt instruments are considered the highest-yielding options based on recent BEAC auctions, regional bond market activity, and emerging market risk factors?