Here is a summary of the number of DoL clasps issued by rank.
There are 209 different ranks.
1st Class Armourer Sergeant - 6
1st Class Sergeant - 3
1st Grade Cook - 2
1st Grade Hospital Stores Keeper - 3
1st Grade Ward Servant - 2
1st Grade Water Carrier - 1
2/Yeoman of Signals - 1
2nd Class Agent - 2
2nd Class Armourer Sergeant - 3
2nd Class Sergeant - 12
2nd Class Trooper - 1
2nd Corporal - 22
2nd Grade Agent - 1
2nd Grade Cook - 3
2nd Grade Hospital Stores Keeper - 1
2nd Grade Ward Servant - 8
2nd Grade Water Carrier - 2
2nd Lieutenant - 5
3rd Grade Cook - 4
3rd Grade Hospital Stores Keeper - 1
3rd Grade Ward Servant - 16
3rd Grade Water Carrier - 3
3rd Grade Water Servant - 1
3rd Grade Watercarrier - 3
6th Grade Clerk - 1
Able Seaman - 114
Acting 2/Ship's Cook - 2
Acting Armourer's Mate - 1
Acting Bombardier - 18
Acting Chief Petty Officer - 1
Acting Corporal - 2
Armourer Sergeant - 6
Armourer's Crew - 2
Assistant Superintendent - 1
Assistant Surgeon - 28
Band Master - 2
Band Sergeant - 4
Bandmaster - 1
Bandsman - 20
Battery Collar Maker - 1
Battery QMS - 4
Battery Quarter Master Sergeant - 5
Battery Sergeant Major - 11
Blacksmith's Mate - 1
Bombadier Collar Maker - 1
Bombardier - 104
Bombardier Collar Maker - 4
Bombardier Wheeler - 5
Boy - 5
Brevet Colonel - 1
Brevet Lieutenant Colonel - 5
Brevet Major - 1
Brevet Major & Adjutant - 1
Brigadier General - 1
Bugler - 32
Captain - 225
Captain and Adjutant - 1
Captain and Brevet Major - 3
Captain and Quarter Master - 3
Captain and Quartermaster - 3
Carpenter's Mate - 3
Chaplain - 2
Chief Artificer - 1
Chief Engine Room Articifer - 2
Civil Surgeon - 13
Civil Veterinary Sergeant - 1
Civilian - 1
Civilian Farrier - 1
Civilian Wheeler - 4
Clerk - 3
Collar Maker - 1
Colonel - 14
Colour Sergeant - 58
Colour Sergeant Major - 2
Colour Sergeant OR Sergeant - 1
Commandant - 1
Commander - 1
Company QMS - 2
Company Sergeant Major - 3
Conductor - 7
Corporal - 647
Corporal Collar Maker - 2
Corporal Farrier - 2
Corporal Saddler - 3
Corporal Sergeant - 20
Corporal Shoeing Smith - 16
Corporal Trumpeter - 3
Corporal Wheeler - 1
Driver - 541
Drummer - 44
Engineer - 2
Farrier QM Corporal - 1
Farrier QM Sergeant - 5
Farrier Sergeant - 19
Farrier Staff Sergeant - 4
Fireman - 1
Fleet Paymaster - 1
Foreman of Works Staff Sergeant - 1
Gaoler - 1
Guard - 1
Guide - 17
Guide and Intelligence Officer - 1
Guide or Agent - 4
Guide, Honorary Sergeant - 40
Gunner - 484
Honorary Captain and QM - 1
Hospital Sergeant - 2
Inspector - 2
Instructor - 1
Interpreter - 1
Jailer - 2
Lance Corporal - 567
Lance Sergeant - 99
Leading Seaman - 17
Leading Signalman - 2
Lieutenant - 234
Lieutenant and Adjutant - 2
Lieutenant and Quarter Master - 13
Lieutenant Colonel - 49
Lieutenant General - 2
Major - 97
Major & Brevet Lieutenant Colonel - 1
Major General - 1
Messenger - 1
Midshipman - 7
Mounted Orderly - 1
Mr - 1
Orderly Room Sergeant - 1
Ordinary Seaman - 26
Other Ranks Sergeant - 4
Painter - 1
Petty Officer 1st Class - 21
Petty Officer 2nd Class - 18
Petty Officer 2nd Class/Bugler - 1
Petty Officer 2nd Class/Sig - 1
Pioneer Sergeant - 1
Piper - 11
Private - 7696
Provo Sergeant - 1
QM and Honorary Lieutenant - 2
Qualified Signalman - 2
Quarter Master - 2
Quarter Master Sergeant - 23
Quartermaster Sergeant - 2
Railway Employee - 1
Regimental Farrier Quarter Sergeant Major - 1
Regimental Sergeant Major - 16
Reverend - 4
Saddle Tree Maker Cpl - 1
Saddler - 2
Saddler Corporal - 2
Saddler Sergeant - 4
Sapper - 133
Seaman - 51
Second Lieutenant - 3
Sergeant - 690
Sergeant Bugler - 2
Sergeant Collar Maker - 4
Sergeant Cook - 3
Sergeant Corporal - 1
Sergeant Drummer - 5
Sergeant Farrier - 8
Sergeant Fencing Instructor - 1
Sergeant Major - 16
Sergeant Major Tailor - 4
Sergeant Piper - 1
Sergeant Saddler - 2
Sergeant Signaller - 1
Sergeant Tailor - 2
Sergeant Trumpeter - 4
Sergeant Wheeler - 5
Ship's Corporal - 1
Ship's Steward Assistant - 1
Shoe Smith - 59
Shoeing & Carriage Smith - 1
Sick Berth Steward - 1
Signalman - 1
Squadron Quarter Master Sergeant - 34
Squadron Sergeant Major - 18
Staff Corporal Farrier - 9
Staff Sergeant - 33
Staff Sergeant Farrier - 19
Staff Sergeant Major - 29
Stoker - 50
Stores Sergeant - 8
Sub Conductor - 4
Sub Inspector - 2
Superintendent - 3
Surgeon - 2
Surgeon Captain - 2
Surgeon Lieutenant - 2
Surgeon Major - 2
Troop QMS - 4
Troop Sergeant Major - 17
Trooper - 965
Trumpeter - 39
Trumpeter Lance Corporal - 1
Trumpeter Major - 1
Veterinary Captain - 1
Veterinary Lieutenant - 2
Veterinary Lieutenant Colonel - 1
Volunteer - 1
Ward Servant - 6
Water - 1
Wheeler - 1
Wheeler Bombardier - 1
Wheeler Corporal - 1
Yeoman of Signals - 1