See Graph 1 in this report: Average transaction sizes in U.S. Treasuries are up to around peak pre-crisis levels, and price impacts are not much higher than they were in 2006 - 2007. (bloomberg.com)
What's more, customers who leave reviews have a higher average transaction size and a greater lifetime value than nonreviewers. (entrepreneur.com)
Erik Voorhees, ShapeShift CEO is seeing an increase in average transaction size as well stating: (cryptoninjas.net)