Drop chances

ItemStage 10Stage 50Stage 100Avg count
Old Cash76%76%76%7.34
Lockpick25%25%25%0.53
Duke's Casino Token24%24%24%1.95
Chicken Soup2.6%2.6%2.6%0.03
Old Sham Sandwich2.5%2.5%2.5%0.03
Can of Miso2.5%2.5%2.5%0.03
Charred Meat2.5%2.5%2.5%0.03
Can of Cat Food2.4%2.4%2.4%0.03
Can of Pears2.4%2.4%2.4%0.02
Cornmeal2.3%2.3%2.3%0.02
Chicken Ration2.3%2.3%2.3%0.02
Scrap Polymers1.5%1.5%1.5%0.03
Paper1.5%1.5%1.5%0.03
Cloth Fragment1.5%1.5%1.5%0.03
Bandage0.97%0.97%0.97%0.01
Sewing Kit0.96%0.96%0.96%0.01
Pistol0.92%0.92%0.92%0.01
Aloe Cream0.75%0.75%0.75%0.01
Vitamins0.44%0.44%0.44%0
Nerd Tats0.42%0.42%0.42%0
Painkillers0.42%0.42%0.42%0
Health Bar0.41%0.41%0.41%0
Rock Busters0.40%0.40%0.40%0
Sugar Butts0.40%0.40%0.40%0
Oh Shitz Drops0.39%0.39%0.39%0
Atom Junkies0.39%0.39%0.39%0
Jail Breakers0.38%0.38%0.38%0
Covert Cats0.38%0.38%0.38%0
Skull Crushers0.36%0.36%0.36%0
Steroids0.35%0.35%0.35%0
Hackers0.35%0.35%0.35%0
Eye Candy0.33%0.33%0.33%0
Jar of Honey0.29%0.29%0.29%0
Splint0.29%0.29%0.29%0
First Aid Bandage0.27%0.27%0.27%0
Blood Bag0.26%0.26%0.26%0
Plaster Cast0.11%0.11%0.11%0

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