Excel has an import data from the web command. It pops up a browser window. You navigate to the prospects page and click on the box the contains the ratings.
I've done this and copy/pasted into both Excel and OpenOffice's spreadsheet.
For both Excel and Open Office, use Paste Special and select Text.
No matter how you do this, you'll still have to do some cleanup in the spreadsheet. I think copy/paste requires a bit less cleanup, but not by much.