The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Rwanda
total: 0.15 cu km/yr (24%/8%/68%)
per capita: 17 cu m/yr (2000)

Saint Lucia
total: 0.01
per capita: 81 cu m/yr (1997)

Saint Vincent and the Grenadines
total: 0.01
per capita: 83 cu m/yr (1995)

Saudi Arabia
total: 17.32 cu km/yr (10%/1%/89%)
per capita: 705 cu m/yr (2000)

Senegal
total: 2.22 cu km/yr (4%/3%/93%)
per capita: 190 cu m/yr (2002)

Sierra Leone
total: 0.38 cu km/yr (5%/3%/92%)
per capita: 69 cu m/yr (2000)

Singapore
total: 0.19 cu km/yr (45%/51%/4%)
per capita: 44 cu m/yr (1975)

Slovakia
total: 1.04
per capita: 193 cu m/yr (2003)

Slovenia
total: 0.9
per capita: 457 cu m/yr (2002)

Somalia
total: 3.29 cu km/yr (0%/0%/100%)
per capita: 400 cu m/yr (2000)