To build an estimate of this market I am using the below assumptions. I will limit so far the exposure for Europe to collect you suggestions/comments. I have similar data also for the other regions (i.e., NA, Asia, ANZ, Africa, South America)
European Very large bank (e.g., Deutsche Bank, RBS, Santander, BNP): average of 30 deals/year with 30m $US facility; avg. of 15 deals/year with 50m $US facility; avg. of 2 deals/yr with 100m $US facility
European regional bank (e.g., SEB, Danske Bank): average of 20 deals/year with 30m $US facility; avg. of 10 deals/year with 50m $US facility; avg. of 0 deals/yr with 100m $US facility