How long do things take to decompose?

Object - Decomposition Time
Styrofoam container -Over 1 Million Years
Plastic jug -1 Million Years

Aluminum can -200~500 Years
Disposable diaper -550 Years
Tinned can -90 Years
Leather shoe -45 Years
Wool sock - 1 Year
Paper bag -1 Month
Banana peel -3-4 Weeks