Lifestyles and preventive practices. Absolute figures 
Frequency of mammograms, by nationality. Women aged 20 years old and over who have had a mammogram at some point in time
Units: thousands of persons

;Total;At least once a year;Every two years;Every three years or more;Never;No data recorded;
Total;9,306.8;2,470.8;3,783.3;801.3;2,005.9;245.5;
Spanish;8,603.0;2,281.4;3,615.5;730.5;1,747.2;228.3;
Foreign;679.2;189.4;155.3;66.4;256.2;11.8;
No data recorded;24.6;0.0;12.4;4.3;2.5;5.4;
Notes:
The symbol '.' shall be deemed as data which cannot be provided since it may be affected by sampling errors.
 The symbol '..' shall be deemed as data which is not collected.
 The symbol '...' shall be deemed as an 'error of division by zero'.
Source: Ministry of Health and Consumption and INE