Reasons why they had more children;Actual age (years);Total Failure of contraception used;Total;174.190 Failure of contraception used;From 15 to 29 years old;8.661 Failure of contraception used;From 30 to 39 years old;54.526 Failure of contraception used;From 40 to 49 years old;111.003 Lack of knowledge of contraceptions;Total;56.406 Lack of knowledge of contraceptions;From 15 to 29 years old;697 Lack of knowledge of contraceptions;From 30 to 39 years old;3.021 Lack of knowledge of contraceptions;From 40 to 49 years old;52.687 Others;Total;67.690 Others;From 15 to 29 years old;6.591 Others;From 30 to 39 years old;20.701 Others;From 40 to 49 years old;40.398