http://data.worldbank.org/country/sri-lanka
World Development Indicators
6.7% 2013
8.9% 2010
15.2% 2007
22.7% 2002
28.8% 1996
Improved water source, rural (% of rural population with access)
93% 2012
92% 2011
90% 2010
89% 2009
87% 2008
74 2012
$3,170 2013