Type of library	Average number of weekly hours open to the public	Total
Total	Total Libraries	6,636
Total	Up to 10	769
Total	Over 10 and up to 20	1,439
Total	Over 20 and up to 40	3,129
Total	More than 40	1,299
National	Total Libraries	1
National	Up to 10	.
National	Over 10 and up to 20	.
National	Over 20 and up to 40	.
National	More than 40	1
Autonomous communities central Libraries	Total Libraries	7
Autonomous communities central Libraries	Up to 10	.
Autonomous communities central Libraries	Over 10 and up to 20	.
Autonomous communities central Libraries	Over 20 and up to 40	2
Autonomous communities central Libraries	More than 40	5
Public	Total Libraries	4,035
Public	Up to 10	440
Public	Over 10 and up to 20	1,153
Public	Over 20 and up to 40	1,724
Public	More than 40	718
For specific groups of users (non-specialised)	Total Libraries	198
For specific groups of users (non-specialised)	Up to 10	31
For specific groups of users (non-specialised)	Over 10 and up to 20	34
For specific groups of users (non-specialised)	Over 20 and up to 40	80
For specific groups of users (non-specialised)	More than 40	53
Libraries in higher education institutions	Total Libraries	300
Libraries in higher education institutions	Up to 10	8
Libraries in higher education institutions	Over 10 and up to 20	10
Libraries in higher education institutions	Over 20 and up to 40	80
Libraries in higher education institutions	More than 40	202
Specialised Libraries: Total	Total Libraries	2,095
Specialised Libraries: Total	Up to 10	290
Specialised Libraries: Total	Over 10 and up to 20	242
Specialised Libraries: Total	Over 20 and up to 40	1,243
Specialised Libraries: Total	More than 40	320
Specialised Libraries: In religious institutions	Total Libraries	185
Specialised Libraries: In religious institutions	Up to 10	66
Specialised Libraries: In religious institutions	Over 10 and up to 20	43
Specialised Libraries: In religious institutions	Over 20 and up to 40	62
Specialised Libraries: In religious institutions	More than 40	14
Specialised Libraries: In the administration	Total Libraries	394
Specialised Libraries: In the administration	Up to 10	42
Specialised Libraries: In the administration	Over 10 and up to 20	30
Specialised Libraries: In the administration	Over 20 and up to 40	274
Specialised Libraries: In the administration	More than 40	48
Specialised Libraries: In research centres	Total Libraries	123
Specialised Libraries: In research centres	Up to 10	22
Specialised Libraries: In research centres	Over 10 and up to 20	11
Specialised Libraries: In research centres	Over 20 and up to 40	77
Specialised Libraries: In research centres	More than 40	13
Specialised Libraries: In professional associations and colleges	Total Libraries	267
Specialised Libraries: In professional associations and colleges	Up to 10	38
Specialised Libraries: In professional associations and colleges	Over 10 and up to 20	34
Specialised Libraries: In professional associations and colleges	Over 20 and up to 40	157
Specialised Libraries: In professional associations and colleges	More than 40	38
Specialised Libraries: In commercial companies or firms	Total Libraries	42
Specialised Libraries: In commercial companies or firms	Up to 10	7
Specialised Libraries: In commercial companies or firms	Over 10 and up to 20	.
Specialised Libraries: In commercial companies or firms	Over 20 and up to 40	21
Specialised Libraries: In commercial companies or firms	More than 40	14
Specialised Libraries: In archives and museums	Total Libraries	356
Specialised Libraries: In archives and museums	Up to 10	33
Specialised Libraries: In archives and museums	Over 10 and up to 20	41
Specialised Libraries: In archives and museums	Over 20 and up to 40	237
Specialised Libraries: In archives and museums	More than 40	45
Specialised Libraries: In health centres	Total Libraries	138
Specialised Libraries: In health centres	Up to 10	8
Specialised Libraries: In health centres	Over 10 and up to 20	8
Specialised Libraries: In health centres	Over 20 and up to 40	72
Specialised Libraries: In health centres	More than 40	50
Specialised Libraries: Other specialised Libraries	Total Libraries	590
Specialised Libraries: Other specialised Libraries	Up to 10	74
Specialised Libraries: Other specialised Libraries	Over 10 and up to 20	75
Specialised Libraries: Other specialised Libraries	Over 20 and up to 40	343
Specialised Libraries: Other specialised Libraries	More than 40	98