Nationality;Frequency of mammograms;Total Total;Total;100.00 Total;At least once a year;27.27 Total;Every two years;41.75 Total;Every three years or more;8.84 Total;Never;22.14 Spanish;Total;100.00 Spanish;At least once a year;27.24 Spanish;Every two years;43.17 Spanish;Every three years or more;8.72 Spanish;Never;20.86 Foreign;Total;100.00 Foreign;At least once a year;28.38 Foreign;Every two years;23.27 Foreign;Every three years or more;9.95 Foreign;Never;38.40 No data recorded;Total;100.00 No data recorded;At least once a year;0.00 No data recorded;Every two years;64.68 No data recorded;Every three years or more;22.33 No data recorded;Never;13.00