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7-10    Efficiency of Energy Conversion
( % )
Year Total Efficiency Electricity Coking Petroleum
Generation and
Heating by
Power Stations Refining
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 99.10
                                                                                                             
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 90.30 98.57
1990 67.20 37.34 91.28 97.90
                                                                                                             
1991 65.90 37.60 89.90 98.10
1992 66.00 37.80 92.70 96.80
1993 67.32 39.90 98.05 98.49
1994 65.20 39.35 89.62 97.48
1995 71.05 37.31 91.99 97.67
                                                                                                             
1996 71.50 38.30 94.07 97.46
1997 69.23 35.89 92.08 97.37
1998 69.44 37.06 94.97 97.42
1999 70.45 38.84 95.80 97.51
2000 70.96 39.91 96.28 97.32
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