CREATE TABLE table_15624586_2 (indigenous_mining_production_2006 VARCHAR, _percentage_of_world_demand VARCHAR)

Which country mines 24.0% of the world demand of uranium?
SELECT indigenous_mining_production_2006 FROM table_15624586_2 WHERE _percentage_of_world_demand = "24.0%"
SELECT "indigenous_mining_production_2006" FROM "table_15624586_2" WHERE "24.0%" = "_percentage_of_world_demand"