Email Statistics: Insight>Reports and Dashboards>Emails>Email Metrics>Email Analysis Overview>Input =Email Name and Time of the report>Click run report.
By default the report will run for all emails and you can find your way.
Emails Click Thru: Insight>Reports and Dashboards>Emails>Email Metrics>Email Clickthrough Overview>Input =Email Name and Time of the report>Click run report.
Campaign Metrics: Insight>Reports and Dashboards>Campaign> Campaign Analysis>Campaign Analysis Overview Input =Campaign Name and Time of the report>Click run report.
Bounce back and Unsubscribe reports are in the email Metrics folder
If you know exactly what you want to see in the report ask the person in your company with the analyzer license to set up a simpler version of the report for you.
There are a good number of documents on TL to get you started on reporting. See if the 2 below could help.
Eloqua Insight Reporter User Guide
Eloqua Insight Report Details Guide
If there is room in your budget, the best way to get all this figure out and even more is to buy a 12 month education pass. That gives you the best value for your money.
Let me know if you need more directions.
Good Luck!