Living Conditions Survey (LCS) 
Social participation
Adults by frequency with who contact (by Telephone,mail, email, etc.) with friends and training level
Units: Total number of adults (thousands) and horizontal  percentages.

,Total,Daily,Weekly ( but not Daily),Several times per month ( but not Weekly),Once a month,At least once a year ( but Less than once a month),Never,No data recorded,
Total,36,917.5,22.2,34.2,13.6,8.0,7.6,14.0,0.5,
Primary education or lower,13,224.7,11.8,24.2,14.3,9.2,12.4,27.8,0.3,
First stage secondary education,7,754.0,25.4,34.6,13.8,8.7,6.2,11.0,0.3,
Second stage secondary education,7,659.8,30.0,40.1,11.8,7.1,5.0,5.5,0.5,
Higher education,8,193.8,28.6,44.5,13.9,6.4,3.7,2.5,0.5,
No data recorded,85.2,20.3,27.4,5.9,5.4,6.4,9.7,24.9,
Notes:
1) Family members who are not members of the household are considered  
1) ~'training level,Primary education or lower'~Including illiterates
1) ~'training level,First stage secondary education'~Including training and labour integration equivalent to this level
1) ~'training level,Second stage secondary education'~Including training and labour integration equivalent to this level (including that  requiring the second stage secondary education degree)
1) ~'training level,Higher education'~Including training and labour integration equivalent to this level
Source: National Statistics Institute