The real economy .... what have we done with the years

Bernie Sanders - Today real median family income is almost $5,000 less than it was in 1999 in inflation accounted for dollars. Why is that? How does that happen? The typical male worker, that man right in the middle of the American economy, made $783 less last year than he did 42 years ago after adjusting for inflation...The typical female worker is making $1,337 less than she did in be 2007.