Minecraft wiki entry for Vindicator, associated text: 0-1 Emerald (10⁄39 chance)
2-3 Emerald (5⁄39 chance)
4-5 Emerald (2⁄39 chance)
1 Enchanted Book (2⁄39 chance)
1 Iron Axe (5⁄78 chance)
1 Iron Pickaxe (5⁄78 chance)
1 Iron Shovel (5⁄78 chance)
1 Iron Sword (5⁄78 chance)
1 Iron Helmet (5⁄78 chance)
1 Iron Chestplate (5⁄78 chance)
1 Iron Leggings (5⁄78 chance)
1 Iron Boots (5⁄78 chance)