Lifestyles and preventive practices. Absolute figures 
Frequency of mammograms,  by Autonomous Community. 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	
Andalucía	1,419.4	345.5	508.3	115.1	436.5	14.0	
Aragón	289.6	88.6	111.6	17.3	70.4	1.7	
Asturias (Principado de)	222.2	62.7	100.8	19.8	38.4	0.4	
Balears (Illes)	181.4	41.2	70.8	27.6	41.9	0.0	
Canarias	409.1	119.0	161.4	57.8	70.9	0.0	
Cantabria	114.9	31.7	51.7	9.6	20.2	1.7	
Castilla y León	571.6	114.3	301.8	51.1	97.1	7.3	
Castilla-La Mancha	391.4	63.2	216.1	21.6	90.5	0.0	
Cataluña	1,582.7	429.1	587.2	148.8	247.4	170.2	
Comunitat Valenciana	1,006.2	234.4	477.4	73.3	220.1	1.0	
Extremadura	192.4	50.0	71.2	10.6	59.5	1.1	
Galicia	637.7	134.4	280.4	51.4	159.6	11.8	
Madrid (Comunidad de)	1,315.0	526.1	365.4	140.5	268.7	14.2	
Murcia (Región de)	237.1	57.9	102.9	15.8	60.6	0.0	
Navarra (Comunidad Foral de)	142.3	20.8	88.3	7.7	25.4	0.0	
País Vasco	510.9	134.6	249.1	19.5	86.5	21.3	
Rioja (La)	65.8	11.5	37.1	10.1	7.2	0.0	
Ceuta and Melilla	17.2	5.9	1.9	3.6	5.2	0.6	
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