Approximately how many human deaths occur from poison dart frogs each year?

Poison dart frogs are extinct in the wild. In captivity, the populations of poison dart frog species will be listed below.

Cream-backed Poison Frog: 230-260

Lovely Poison Frog: 87

Rainforest Rocket Frog: 423

Mimic Poison Frog: Over 1,000

La Brea Poison Frog: 190-230

Splash-backed Poison Frog: 211

Dyeing Poison Frog: 2,000+

Phantasmal Poison Frog: 225

Mint Poison Frog: Less than 300

Strawberry Poison Frog: 2,000+

Okopipi: 78

Bumblebee Poison Frog: 470

Golden Poison Frog: 130