Type of library	Average number of weekly hours open to the public	Total
Total	Total Libraries	6.458
Total	Up to 10	729
Total	Over 10 and up to 20	1.399
Total	Over 20 and up to 40	2.996
Total	More than 40	1.334
National	Total Libraries	1
National	Up to 10	0
National	Over 10 and up to 20	0
National	Over 20 and up to 40	0
National	More than 40	1
Autonomous communities central Libraries	Total Libraries	7
Autonomous communities central Libraries	Up to 10	0
Autonomous communities central Libraries	Over 10 and up to 20	0
Autonomous communities central Libraries	Over 20 and up to 40	1
Autonomous communities central Libraries	More than 40	6
Public	Total Libraries	4.001
Public	Up to 10	417
Public	Over 10 and up to 20	1.133
Public	Over 20 and up to 40	1.701
Public	More than 40	750
For specific groups of users (non-specialised)	Total Libraries	198
For specific groups of users (non-specialised)	Up to 10	33
For specific groups of users (non-specialised)	Over 10 and up to 20	30
For specific groups of users (non-specialised)	Over 20 and up to 40	73
For specific groups of users (non-specialised)	More than 40	62
Libraries in higher education institutions	Total Libraries	269
Libraries in higher education institutions	Up to 10	7
Libraries in higher education institutions	Over 10 and up to 20	12
Libraries in higher education institutions	Over 20 and up to 40	69
Libraries in higher education institutions	More than 40	181
Specialised Libraries: Total	Total Libraries	1.982
Specialised Libraries: Total	Up to 10	272
Specialised Libraries: Total	Over 10 and up to 20	224
Specialised Libraries: Total	Over 20 and up to 40	1.152
Specialised Libraries: Total	More than 40	334
Specialised Libraries: In religious institutions	Total Libraries	187
Specialised Libraries: In religious institutions	Up to 10	75
Specialised Libraries: In religious institutions	Over 10 and up to 20	33
Specialised Libraries: In religious institutions	Over 20 and up to 40	66
Specialised Libraries: In religious institutions	More than 40	13
Specialised Libraries: In the administration	Total Libraries	368
Specialised Libraries: In the administration	Up to 10	25
Specialised Libraries: In the administration	Over 10 and up to 20	30
Specialised Libraries: In the administration	Over 20 and up to 40	269
Specialised Libraries: In the administration	More than 40	44
Specialised Libraries: In research centres	Total Libraries	112
Specialised Libraries: In research centres	Up to 10	12
Specialised Libraries: In research centres	Over 10 and up to 20	15
Specialised Libraries: In research centres	Over 20 and up to 40	72
Specialised Libraries: In research centres	More than 40	13
Specialised Libraries: In professional associations and colleges	Total Libraries	244
Specialised Libraries: In professional associations and colleges	Up to 10	36
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	141
Specialised Libraries: In professional associations and colleges	More than 40	33
Specialised Libraries: In commercial companies or firms	Total Libraries	33
Specialised Libraries: In commercial companies or firms	Up to 10	5
Specialised Libraries: In commercial companies or firms	Over 10 and up to 20	2
Specialised Libraries: In commercial companies or firms	Over 20 and up to 40	14
Specialised Libraries: In commercial companies or firms	More than 40	12
Specialised Libraries: In archives and museums	Total Libraries	351
Specialised Libraries: In archives and museums	Up to 10	35
Specialised Libraries: In archives and museums	Over 10 and up to 20	43
Specialised Libraries: In archives and museums	Over 20 and up to 40	231
Specialised Libraries: In archives and museums	More than 40	42
Specialised Libraries: In health centres	Total Libraries	133
Specialised Libraries: In health centres	Up to 10	7
Specialised Libraries: In health centres	Over 10 and up to 20	4
Specialised Libraries: In health centres	Over 20 and up to 40	65
Specialised Libraries: In health centres	More than 40	57
Specialised Libraries: Other specialised Libraries	Total Libraries	554
Specialised Libraries: Other specialised Libraries	Up to 10	77
Specialised Libraries: Other specialised Libraries	Over 10 and up to 20	63
Specialised Libraries: Other specialised Libraries	Over 20 and up to 40	294
Specialised Libraries: Other specialised Libraries	More than 40	120