The per capita income of Sri Lanka doubled from 2005 to 2011. During the same period, poverty dropped from 15.2% to 7.6%, unemployment rate dropped from 7.2% to 4.9%, market capitalisation of the Colombo Stock Exchange quadrupled, and the budget deficit doubled. Over 90% of the households in Sri Lanka are electrified; 87% of the population have access to safe drinking water; and 39% have access to pipe-borne water. Income inequality has also dropped in recent years, indicated by a Gini coefficient of 0.36 in 2010.