Authorities

1960s

1970s

1980s

1990s

n.k.

Total

Blaenau Gwent Borough Council

0

0

1

0

1

Brecon Beacons NP

3

1

0

1

5

Bridgend

0

13

3

0

0

16

Cardiff

1

14

5

5

25

Carmarthenshire

0

6

2

19

27

Caerphilly

0

6

1

6

1

14

Ceredigion

0

0

0

0

13

13

Conwy County Borough Council

0

0

0

0

23

23

Denbighshire County Council

0

15

11

8

34

Flintshire County Council

0

6

21

5

32

Gwynedd Council

2

19

17

2

40

Isle of Anglesey County Council

1

7

0

3

11

Merthyr Tydfil

0

2

0

1

3

Monmouthshire County Council

0

22

0

8

30

Neath & Port Talbot County Borough Council

0

0

4

2

6

Newport County Borough Council

0

0

0

0

13

13

Pembrokeshire Coast

0

1

1

13

15

Pembrokeshire County Council

1

15

4

3

23

Powys County Council

0

11

16

27

54

Rhondda Cynon Taff

0

10

2

4

16

Snowdonia

0

12

1

1

14

Swansea

3

19

1

8

31

Torfaen County Borough Council

0

0

5

0

5

Vale of Glamorgan

0

35

0

3

38

Wrexham County Borough Council

0

17

0

3

20

Totals

11

231

95

122

50

509