9-10  Efficiency of Energy Conversion|9-10EfficiencyofEnergyConversion|(%)|Year|TotalEfficiency|ElectricityGenerationand|Coking|PetroleumRefining|HeatingbyPowerStations||1983|69.93|36.94|91.18|99.16|1984|69.16|36.95|90.08|99.17|1985|68.29|36.85|90.79|99.1||1986|68.32|36.69|90.63|99.04|1987|67.48|36.75|90.46|98.81|1988|66.54|36.34|90.77|98.76|1989|66.51|36.74|90.3|98.57|1990|66.48|37.34|91.28|90.19||1991|65.9|37.6|89.9|98.1|1992|66|37.8|92.7|96.8|1993|67.32|39.9|98.05|98.49|1994|65.2|39.35|89.62|97.48|1995|71.05|37.31|91.99|97.67||1996|70.19|36.63|94.07|97.46|1997|69.76|35.89|94.01|97.37|1998|69.28|37.09|94.97|96.41|1999|69.25|37.0390033254374|96.13|97.51|2000|69.38|37.78|96.2|97.32||2001|69.7|38.15|96.47|97.6|2002|68.99|38.67|96.63|96.73|2003|69.38|38.46|96.13|96.38|2004|70.6|38.64|97.1|96.48|2005|71.11|38.97|97.14|96.94|2006|70.87|39.08|97.02|96.9|2007|71.23|39.8|97.54|97.17|2008|71.46|40.47|98.46|96.22|2009|72.41|41.23|98|96.74|2010|72.52|41.99|96.38|97|2011|72.19|42.13|96.3|97.41|2012|72.68|42.81|95.65|97.11|2013|72.96|43.12|95.6|97.65|2014|73.49|43.55|95.07|97.54|