[Tunis Afrique Presse] Tunis/Tunisia -- Tunisia is the country with the highest rate of erosion for eroding sections, which are losing 2.4 meter a year on average, causing an estimated annual asset destruction cost amounting to the equivalent of 2.8% of the country's GDP, the World Bank (WB) said in its "Disappearing coasts in the Maghreb: Coastal erosion and its costs" report published last September.