Educational level	Frequency contact by phone, sms, internet, etc.. with friends	Total
Total	Daily	40.7
Total	Weekly but not daily	33.6
Total	Various times a month but not weekly	9.9
Total	Once to month	5.4
Total	At least once a year but less of a once a month	3.8
Total	Never	6.6
Total	Not specified	0.0
Primary education or lower	Daily	20.8
Primary education or lower	Weekly but not daily	30.0
Primary education or lower	Various times a month but not weekly	13.9
Primary education or lower	Once to month	8.8
Primary education or lower	At least once a year but less of a once a month	8.0
Primary education or lower	Never	18.4
Primary education or lower	Not specified	..
First stage of secondary education	Daily	43.4
First stage of secondary education	Weekly but not daily	32.4
First stage of secondary education	Various times a month but not weekly	9.9
First stage of secondary education	Once to month	5.6
First stage of secondary education	At least once a year but less of a once a month	3.9
First stage of secondary education	Never	4.7
First stage of secondary education	Not specified	0.0
Second stage of secondary education	Daily	49.8
Second stage of secondary education	Weekly but not daily	33.2
Second stage of secondary education	Various times a month but not weekly	8.8
Second stage of secondary education	Once to month	4.1
Second stage of secondary education	At least once a year but less of a once a month	2.0
Second stage of secondary education	Never	2.0
Second stage of secondary education	Not specified	0.0
Higher education	Daily	49.1
Higher education	Weekly but not daily	38.3
Higher education	Various times a month but not weekly	7.1
Higher education	Once to month	3.0
Higher education	At least once a year but less of a once a month	1.3
Higher education	Never	1.2
Higher education	Not specified	..
Not specified	Daily	61.8
Not specified	Weekly but not daily	..
Not specified	Various times a month but not weekly	..
Not specified	Once to month	..
Not specified	At least once a year but less of a once a month	..
Not specified	Never	..
Not specified	Not specified	38.2