1 Introduction
Rwanda is a landlocked country, located a few degrees South of the equator, bordered by the Democratic Republic of the Congo (DRC), Burundi, Tanzania, and Uganda. Total land area of Rwanda is about 26,000 km with inland water areas covering about . Based on Census survey, in 2012, Rwanda's population was 10.5 million with a growth rate of 2.6%, making it one of the most densely populated African countries [2]. Rwanda's economy is primarily based on subsistence agriculture
Subsistence agriculture is self-sufficiency farming in which the farmers focus on growing enough food to feed themselves and their families
, which accounts for 43% of GDP, followed by services (37%) and industry (20%) [3]. In 2010, Rwanda's GDP was 548 USD per capita. Furthermore, the economy was growing at an annual rate of 8.3% [4].