"How many years have all the?" WHAT?!?! Do you have any idea what question you are saying?
All of them.
7 years
not at all
All of them
All of them.
All of them.
all i no is many years ago
58 years all together.
All her live: about 47 years.
If all years were the same length as they are nowadays, then that would be 901,890 years. (rounded)
it was about 1 billion years ago.
All of them.