Ethiopia is one of the least developed countries in the world Approximately 34 of its over 100 million inhabitants live below poverty line It has one of the lowest rates of access to modern energy services whereby the energy supply is primarily based on biomass The prompt quarter is the quarter that follows the current quarter For example the second quarter is the prompt quarter of a period from January to the end of March In the row headings the Btu values represent heat content per pound of coal and the SO2 values reflect their percentage of total coal weight