Nine other countries – Gabon, the Democratic Republic of the Congo, Côte d’Ivoire, Senegal, Angola, Nigeria, Namibia, Zambia, and Tanzania – followed suit. By February 2013, these ten African economies had collectively raised $8.1 billion from their maiden sovereign-bond issues, with an average maturity of 11.2 years and an average coupon rate of 6.2%. These countries’ existing foreign debt, by contrast, carried an average interest rate of 1.6% with an average maturity of 28.7 years.