electricity from 1998 to 2009 based on IEA 2011 Biofuels 1900 to 2009 based on Fernandes et al. 2007; IEA [...] GDP in 1990 international Geary-Khamis Dollars based on Maddison 2008 Maddison,A., 2008. Historical [...] nuclear- and Geothermal electricity from 1900 to 1997 based on Podobnik 1999 Coal, Oil, Natural Gas and Hydro-