The free Avast antivirus (which I recommend) has a nice little semi hidden feature. Monthly statistics! Rather then explain it, lets go look at them.
1. Double click the Avast antivirus icon on your desktop or down by the clock.
2. Single click on the word Statistics
3. Scroll down to the bottom of the page and click on the blue sentence which reads:
"Click here to see your complete security reports for the last 30 days"
5. Give it a moment to update and you will see some really interesting statistics. Mine are: