Ash I think another important factor is grants/rebates and how easy it is to charge your electric car. It's important to have an accessible charging point all over the country because the last thing you want to worry about is finding a place to charge your car on a long journey.
Yes. But Estonia is in the bottom 5 and it was the first country in the world to have the national network of chargers for electric cars.
Estonia was the first country to deploy an EV charging network with nationwide coverage, with fast chargers available along highways at a maximum distance of 40 to 60 km (25 to 37 mi). As of December 2012, the nationwide network consisted of 165 fast chargers