Which country has the largest share of Nuclear Power generation?

France has reduced it's Carbon emissions by 90% through the creation of the largest group of nuclear reactors per citizen. They produce 77% of their power this way.

The United States ranks first in total kiliowatt hours at 101,000 MwH's but only produces 20% of our power this way (shamefully).

Slovakia is the most balanced user with about 50% of their power from this awesomely affective method.