Genoa - Highest import/export ratio

[SavioursSamurai]

I apologize if this has been asked before, but how does the imports/exports ratio work? I've done some research, and it seems to be linked to the number of cities you are trading with, but could someone give me a more detailed explanation, and, more importantly, how to increase that number? I'm playing as Genoa, and right now in 1275 I'm at 13, which isn't bad because I've got a long way to go. But how do I boost myself to no. 1?

 

[srpt]

are you talking about the 3rd UHV? it just counts your total trade route income plus the trade route income you are generating for other civs.

 

[SavioursSamurai]

So I just need to have the most trade route income? How do I guarantee that?

 

[srpt]

get open borders with civs that have large cities

 

[SavioursSamurai]

ok. I've been trying to do as much trading as possible, so that should happen anyway. The large cities bit is very helpful, thanks.