"Almost 50% of hires are referrals" Marc Cenedella- The Ladders (65% according to CareerXroads’ recent 10th Annual Sources of Hires Report)

"Survey of several thousand small business owners. Unsurprisingly, I found that 63.4 percent felt that over half their business came by way of referrals. But of that same group, 79.9 percent readily admitted that they had no system of any kind to generate referrals." Reports John Jantsch of The Referral Engine