Table 1. Top three codes for mothers’ free comments.

	Number 1	Number 2	Number 3
FY 2011	Radiation effect on fetus and infant	Information provision including survey results	Breast feeding and infant formula
FY 2012	Radiation effect on fetus and infant	Information provision including survey results	Complaints and suggestions about this survey
FY 2013	Complaints and suggestions about this survey	Radiation effect on fetus and infant	Mental and physical disorders
FY 2014	Improvement of childcare support	Child rearing counseling	Radiation effect on fetus and infant
FY 2015	Child rearing counseling	Improvement of childcare support	Improvement of medical services and physical care
FY 2016	Child rearing counseling	Improvement of childcare support	Mental and physical disorders
FY 2017	Child rearing counseling	Improvement of childcare support	Mental and physical disorders
FY 2018	Improvement of childcare support	Child rearing counseling	Mental and physical disorders

FY, fiscal year.