Expenditure on social protection (in 2010/11 prices) increased from ETB 16.4 billion in 2012/13 to ETB 19.7 billion in 2014/15. There was a 38.7% increase in expenditure between 2014/15 and 2015/16, due to a significant increase in humanitarian relief related to the drought in 2015/16. The second- and third-largest components of social protection spending were access to basic social services and social insurance, with average annual shares of 13.2% and 9.0% respectively.