From TibiaWiki

Update 8.54

Ghoul, 316 kills.

	Item	Amount	Percentage	Kills to get 1
	Empty	18	5.7%	18
	Gold Coin	3419	1081.96%	1
	Torch	192	60.76%	2
	Rotten Piece of Cloth	68	21.52%	5
	Knife	44	13.92%	8
	Worm	44	13.92%	8
	Scale Armor	16	5.06%	20
	Skull	15	4.75%	22
	Viking Helmet	14	4.43%	23
	Brown Piece of Cloth	4	1.27%	79

See also: Ghoul, Loot, Loot Statistics (Tibia ML).
Average gold: 10.37

Between 8.5 update and 8.54 update

Ghoul, 2441 kills.

	Item	Amount	Percentage	Kills to get 1
	Empty	85	3.48%	29
	Brass Helmet	469	19.21%	6
	Brown Piece of Cloth	25	1.02%	98
	Gold Coin	25409	1040.93%	1
	Knife	375	15.36%	7
	Life Ring	5	0.2%	489
	Scale Armor	71	2.91%	35
File:Skull (Item)	Skull	68	2.79%	36
	Torch	1412	57.85%	2
	Viking Helmet	141	5.78%	18
	Worm	6841	280.25%	1

See also: Ghoul, Loot, Loot Statistics (Tibia ML).
Average gold: 10.41

Before 8.5 update

Ghoul, 284 kills.

	Item	Amount	Percentage	Kills to get 1
	Gold	3039	1070.07%	1
	Empty	10	3.52%	29
File:Worms.gif	Worms	234	82.39%	2
	Torch	164	57.75%	2
	Brass Helmet	57	20.07%	5
	Knife	53	18.66%	6
	Viking Helmet	14	4.93%	21
	Scale Armor	11	3.87%	26
File:Skull (Item)	Skull	10	3.52%	29
	Brown Piece of Cloth	2	0.7%	142
	Life Ring	1	0.35%	284

See also: Ghoul, Loot, Loot Statistics (Tibia ML).

Average Gold: 10.7 gp