Tyne 3,389
Eden 1,571
Lune 1,374
Ribble 1,372
Derwent 1,286
Usk 1,157
Wye 1,099
Coquet 842
Wear 959
Dee 885
Teifi 571
Tywi 720
Kent 539
Exe 540
Severn 294
Camel 358
Ehen 365
Test 419
Conwy 190
Tamar 358
Taw 287
Fowey 190
Itchen 289
Lyn 117
Tawe 287
Mawddach 94
Dyfi 197
Tees 267
Esk (Yorks.) 159
Esk (Cumbrian) 90
Ogwen 121
Taf 92
Avon (Hants.) 24
Teign 214
Frome 46
Dart 124
Clwyd 176
Lynher 67
Ogmore 76
Tavy 81
Avon (Devon) 61
E+W.Cleddau 102
Torridge 119
Nevern 38
Rheidol 62
Taff 21
Glaslyn 43
Ellen 30
Total 21,762
Eden 1,571
Lune 1,374
Ribble 1,372
Derwent 1,286
Usk 1,157
Wye 1,099
Coquet 842
Wear 959
Dee 885
Teifi 571
Tywi 720
Kent 539
Exe 540
Severn 294
Camel 358
Ehen 365
Test 419
Conwy 190
Tamar 358
Taw 287
Fowey 190
Itchen 289
Lyn 117
Tawe 287
Mawddach 94
Dyfi 197
Tees 267
Esk (Yorks.) 159
Esk (Cumbrian) 90
Ogwen 121
Taf 92
Avon (Hants.) 24
Teign 214
Frome 46
Dart 124
Clwyd 176
Lynher 67
Ogmore 76
Tavy 81
Avon (Devon) 61
E+W.Cleddau 102
Torridge 119
Nevern 38
Rheidol 62
Taff 21
Glaslyn 43
Ellen 30
Total 21,762