I apologize for this diversion off-topic and won't do it again (promise!), but since CRAMP seems to be a common malady here (as some forum members attested), here goes:
A free productivity tool (free for personal use) will tell you exactly how your active time is split among applications, which applications were used the most, and which websites you browsed and for how long, and will happily demonstrate it in graphs -
http://www.fruitfultime.com/products/productivitymeter/personal/fruitfultime-productivitymeter-dashboard.php
An extra feature - tagging programs, windows, and domains.
Windows only.

Michal

Actually, it's CRIMP :-)
http://www.outlinersoftware.com/topics/viewt/17/

Thanks for the heads up on Fruitful Time.

(This post may appear twice, but I can't view the result of my first posting)