And you have to take into account that (as he also mentions) these dbs came out in a different time. Which might skew results quite a bit. They could have been

And you have to take into account that (as he also mentions) these dbs came out in a different time. Which might skew results quite a bit. They could have been changed in the meantime. When you get a password database you want to know how many passwords are the same at that precise moment...