Doing the same with the bottom 10 would have meant an average annual return of 22.6 percent.
That has roughly been the average return over the last century or so.
It has had an average annual return of 5.24 percent over the last five years.
The fund's average annual return over those three years was 38.6 percent.
He said the average return is about $10 per square foot.
And the average annual return for children born last year is actually down.
"They say with the average return of the market, everyone's better off," he said.
From 1977 to 1987, our average annual return to investors was 46 percent.
Stocks have been a great investment in the last 80 years, with an average return of about 10 percent a year.
But the average return over the past five years has been around 15%, instead of the usual 4%.