Drop chances

ItemStage 10Stage 50Stage 100Avg count
Bone16%16%16%0.33
Rotting Flesh13%13%13%0.25
Cornmeal12%12%12%0.16
Old Sham Sandwich12%12%12%0.12
Potato9.0%9.0%9.0%0.14
Ear of Corn8.9%8.9%8.9%0.13
Yucca Fruit5.0%5.0%5.0%0.08
Empty Water Jar4.5%4.5%4.5%0.04
Can of Pears2.5%2.5%2.5%0.03
Can of Miso2.5%2.5%2.5%0.03
Charred Meat2.5%2.5%2.5%0.02
Can of Cat Food2.5%2.5%2.5%0.02
Chicken Soup2.3%2.3%2.3%0.02
Chicken Ration2.3%2.3%2.3%0.02
Blueberries1.3%1.3%1.3%0.04
Pumpkin1.3%1.3%1.3%0.02
Animal Fat1.3%1.3%1.3%0.02
Murky Water1.1%1.1%1.1%0.01
Water0.65%0.65%0.65%0.01
Yucca Juice0.54%0.54%0.54%0.01
Beer0.48%0.48%0.48%0
Red Tea0.44%0.44%0.44%0
Coffee0.40%0.40%0.40%0
Goldenrod Tea0.38%0.38%0.38%0
Covert Cats0.24%0.24%0.24%0
Skull Crushers0.22%0.22%0.22%0
Pure Mineral Water0.21%0.21%0.21%0
Jail Breakers0.21%0.21%0.21%0
Nerd Tats0.21%0.21%0.21%0
Hackers0.21%0.21%0.21%0
Health Bar0.19%0.19%0.19%0
Oh Shitz Drops0.19%0.19%0.19%0
Atom Junkies0.18%0.18%0.18%0
Eye Candy0.18%0.18%0.18%0
Sugar Butts0.17%0.17%0.17%0
Rock Busters0.16%0.16%0.16%0
Grandpa's Learnin' Elixir0.10%0.10%0.10%0
Grandpa's Moonshine0.09%0.09%0.09%0
Mega Crush0.08%0.08%0.08%0
Yucca Juice Smoothie0.08%0.08%0.08%0
Grandpa's Awesome Sauce0.08%0.08%0.08%0
Blackstrap Coffee0.06%0.06%0.06%0

Average count per open at loot stage 50. From 40,000 simulated opens per stage; perks that raise loot are not counted.