Research on E-commerce

I need you to research and find out 10-15 e-commerce (sales through online payment processing) activities that comprehend at least 95% of the e-commerce in the European Union.

The report should include:

1) Activity name and brief description
2) 5 sample websites for each activity
3) Median estimated transaction value
4) Whether it's tangible or intangible
5) Whether it's subscription, one time sale or both.
6) Approximate year when it gained a noticeable market share.

Such report MUST include credible and solid references from at least 5 independent sources.