How many Grammy Awards has Kanye West won?

first kanye came out with the college dropout that every one was crazy for it so much it went platinum next no one was expecting good things from him then he amazed the fans with late registration with gold digger then he went to graduation with stronger,good mornig,good life,homecoming and every thing i am which he won 50 cent finally it came with 808,s and heartbreak with amazing,heartless,paranoid welcome to heartbreak and love lock down