You can check out the second citation for this value. Also here is a relatively newer link which also explains the calculations: https://www.nextbigfuture.com/2

You can check out the second citation for this value. Also here is a relatively newer link which also explains the calculations: https://www.nextbigfuture.com/2012/06/deaths-by-energy-source-in-forbes.html https://www.nextbigfuture.com/2012/06/deaths-by-energy-sourc...