SCHEMA:
CREATE TABLE table_23606500_4 (_percentage_40_59 VARCHAR, _percentage_60_74 VARCHAR)
USER:
What is every value for  % 40-59 if  % 60-74 is 12,40%?

QUERY:
SELECT _percentage_40_59 FROM table_23606500_4 WHERE _percentage_60_74 = "12,40%"