How to do a AS3 Score Counter with multiple Scenes

I've created an online quiz that tells you how many days you'll last if cats take over the world.  If you want to try it, here's the link:

http://www.curtisjenkinsportfolio.com/Cat%20Take%20Over.html

However, I can't get the action script to properly count up the number of days you'll last.  I've found plenty of advice for creating a counter, but they always reset at the end of the scene.  Since each question is it's own scene, I need the counter to continue throughout the entire project.  Can anyone help?