After a lengthy break from Civilization 3, I started playing again, but I soon found something that I thought was interesting. I checked in the bugs section (though I'm not sure if it is a bug) and searched the forums but couldn't find anything in relation to what I discovered, so I apologize if you all knew about this and I'm just making a fool of myself. Anyway, when you engage in diplomacy with a civ, make sure there's nothing on the "table". Then click Gold per turn from their side, and hold down a number from 1 to 9 until it completely fills up. It will then change to (what I think is) their amount of gpt. I don't think it's just random numbers as generally the smaller civs have less gpt than the larger ones and you can go out and back in in the same turn and it will display the same number. Don't know if it's any use, just thought it was interesting. But it's interesting to see that they have quite a bit of an income!