Just randomly clicking through blocks won't give you that much insights. You'll need at least a rather comprehensive list of address together with information w

Just randomly clicking through blocks won't give you that much insights. You'll need at least a rather comprehensive list of address together with information what they are used for. Some of the block explorers provide such information to some extend, but I don't think any of them is comprehensive enough to be able to answer something like how many coins were spend in April 2017 to pay for food delivery services.