I don't think there is a single explanation, since the current state of nuclear is so diverse: https://www.worldnuclearreport.org/IMG/pdf/20180902wnisr2018-hr.

I don't think there is a single explanation, since the current state of nuclear is so diverse: https://www.worldnuclearreport.org/IMG/pdf/20180902wnisr2018-hr.pdf https://www.worldnuclearreport.org/IMG/pdf/20180902wnisr2018...