[24gttghh]

I think this one is a bit more telling:

https://trends.google.com/trends/explore?date=all&geo=NG&q=b...

(it's for Nigeria)

And the global map for since 2004:

https://trends.google.com/trends/explore?date=all&q=bitcoin

With the search term being most popular in Nigeria.

[CodingGuy]

Actually Google AdWords says that you have an average of 40k searches per month for "bitcoin" in Nigeria and more than 1 mio. searches/month in the US.

[24gttghh]

Right but the map seems to present the data in a way that implies those searches for bitcoin in Nigeria are more popular than other searches for their given country.