Year |
Coal 1 | Natural Gas 2 | Crude Oil 3,4 | Total | ||||||||||||
Nominal | Real 5 | Nominal | Real 5 | Nominal | Real 5 | Nominal | Real 5 | |||||||||
1949 | 2.52 | R 15.41 | 0.33 | R 2.02 | 4.68 | R 28.62 | 7.53 | R 46.05 | ||||||||
1950 | 2.91 | R 17.60 | 0.44 | R 2.66 | 4.95 | R 29.94 | 8.30 | R 50.20 | ||||||||
1951 | 3.05 | R 17.21 | 0.52 | R 2.93 | 5.69 | R 32.11 | 9.26 | R 52.25 | ||||||||
1952 | 2.67 | R 14.82 | 0.64 | R 3.55 | 5.79 | R 32.13 | 9.10 | R 50.50 | ||||||||
1953 | 2.55 | R 13.98 | 0.76 | R 4.17 | 6.32 | R 34.64 | 9.63 | R 52.79 | ||||||||
1954 | 2.02 | R 10.97 | 0.87 | R 4.72 | 6.44 | R 34.97 | 9.33 | R 50.66 | ||||||||
1955 | 2.30 | R 12.27 | 0.94 | R 5.02 | 6.88 | R 36.71 | 10.12 | R 54.00 | ||||||||
1956 | 2.65 | R 13.66 | 1.11 | R 5.72 | 7.30 | R 37.64 | 11.06 | R 57.02 | ||||||||
1957 | 2.74 | R 13.67 | 1.17 | R 5.84 | 8.09 | R 40.37 | 12.00 | R 59.88 | ||||||||
1958 | 2.19 | R 10.68 | 1.32 | R 6.44 | 7.37 | R 35.95 | 10.88 | R 53.07 | ||||||||
1959 | 2.14 | R 10.31 | 1.57 | R 7.57 | 7.47 | R 36.00 | 11.18 | R 53.88 | ||||||||
1960 | 2.10 | R 9.98 | 1.79 | R 8.51 | 7.42 | R 35.26 | 11.31 | R 53.75 | ||||||||
1961 | 1.99 | R 9.35 | 1.99 | R 9.35 | 7.58 | R 35.62 | 11.56 | R 54.32 | ||||||||
1962 | 2.03 | R 9.41 | 2.22 | R 10.29 | 7.76 | R 35.98 | 12.01 | R 55.68 | ||||||||
1963 | 2.17 | R 9.96 | 2.36 | R 10.83 | 7.96 | R 36.52 | 12.49 | R 57.31 | ||||||||
1964 | 2.32 | R 10.48 | 2.33 | R 10.53 | 8.03 | R 36.28 | 12.68 | R 57.29 | ||||||||
1965 | 2.40 | R 10.65 | 2.57 | R 11.40 | 8.15 | R 36.17 | 13.12 | R 58.22 | ||||||||
1966 | 2.53 | R 10.92 | 2.75 | R 11.87 | 8.72 | R 37.63 | 14.00 | R 60.42 | ||||||||
1967 | 2.65 | R 11.09 | 2.91 | R 12.18 | 9.39 | R 39.30 | 14.95 | R 62.57 | ||||||||
1968 | 2.64 | R 10.60 | 3.09 | R 12.40 | 9.79 | R 39.30 | 15.52 | R 62.30 | ||||||||
1969 | 2.90 | R 11.09 | 3.52 | R 13.46 | 10.42 | R 39.85 | 16.84 | R 64.40 | ||||||||
1970 | 3.88 | R 14.09 | 3.73 | R 13.55 | 11.19 | R 40.64 | 18.80 | R 68.28 | ||||||||
1971 | 4.01 | R 13.87 | 4.05 | R 14.01 | 11.71 | R 40.50 | 19.77 | R 68.38 | ||||||||
1972 | 4.65 | R 15.41 | 4.28 | R 14.19 | 11.71 | R 38.82 | 20.64 | R 68.42 | ||||||||
1973 | 5.14 | R 16.14 | 4.98 | R 15.64 | 13.07 | R 41.04 | 23.19 | R 72.82 | ||||||||
1974 | 9.65 | R 27.79 | 6.48 | R 18.66 | 22.00 | R 63.35 | 38.13 | R 109.80 | ||||||||
1975 | 12.67 | R 33.34 | 8.85 | R 23.29 | 23.45 | R 61.71 | 44.97 | R 118.34 | ||||||||
1976 | 13.40 | R 33.34 | 11.57 | R 28.78 | 24.37 | R 60.63 | 49.34 | R 122.75 | ||||||||
1977 | 13.91 | R 32.54 | 15.82 | R 37.00 | 25.79 | R 60.32 | 55.52 | R 129.86 | ||||||||
1978 | 14.65 | R 32.02 | 18.18 | R 39.73 | 28.60 | R 62.50 | 61.43 | R 134.25 | ||||||||
1979 | 18.55 | R 37.44 | 24.16 | R 48.76 | 39.45 | R 79.62 | 82.16 | R 165.82 | ||||||||
1980 | 20.45 | R 37.84 | 32.09 | R 59.38 | 67.93 | R 125.70 | 120.47 | R 222.92 | ||||||||
1981 | 21.75 | R 36.79 | 39.51 | R 66.83 | 99.40 | R 168.14 | 160.66 | R 271.76 | ||||||||
1982 | 22.84 | R 36.41 | 45.71 | R 72.87 | 90.03 | R 143.53 | 158.58 | R 252.81 | ||||||||
1983 | 20.32 | R 31.16 | 43.73 | R 67.06 | 83.05 | R 127.36 | 147.10 | R 225.58 | ||||||||
1984 | 22.94 | R 33.91 | 48.69 | R 71.97 | 84.10 | R 124.31 | 155.73 | R 230.19 | ||||||||
1985 | 22.27 | R 31.95 | 43.35 | R 62.18 | 78.88 | R 113.15 | 144.50 | R 207.28 | ||||||||
1986 | 21.18 | R 29.73 | 32.71 | R 45.91 | 39.63 | R 55.62 | 93.52 | R 131.26 | ||||||||
1987 | 21.20 | R 28.96 | 29.11 | R 39.77 | 46.93 | R 64.12 | 97.24 | R 132.85 | ||||||||
1988 | 20.97 | R 27.70 | 30.28 | R 40.00 | 37.48 | R 49.52 | 88.73 | R 117.22 | ||||||||
1989 | 21.40 | R 27.24 | 30.58 | R 38.93 | 44.07 | R 56.10 | 96.05 | R 122.27 | ||||||||
1990 | 22.39 | R 27.44 | 31.80 | R 38.98 | 53.77 | R 65.90 | 107.96 | R 132.32 | ||||||||
1991 | 21.40 | R 25.34 | 30.39 | R 35.99 | 44.77 | R 53.02 | 96.56 | R 114.35 | ||||||||
1992 | 20.98 | R 24.29 | 32.56 | R 37.69 | 41.97 | R 48.58 | 95.51 | R 110.56 | ||||||||
1993 | 18.77 | R 21.24 | 38.72 | R 43.81 | 35.61 | R 40.29 | 93.10 | R 105.34 | ||||||||
1994 | 20.06 | R 22.22 | 36.46 | R 40.39 | 32.07 | R 35.53 | 88.59 | R 98.14 | ||||||||
1995 | 19.45 | R 21.12 | 30.24 | R 32.83 | 35.00 | R 38.00 | 84.69 | R 91.95 | ||||||||
1996 | 19.68 | R 20.97 | 42.99 | R 45.81 | 43.68 | R 46.54 | 106.35 | R 113.32 | ||||||||
1997 | 19.77 | R 20.72 | 46.09 | R 48.31 | 40.57 | R 42.52 | 106.43 | R 111.55 | ||||||||
1998 | 19.75 | R 20.47 | 39.12 | R 40.55 | 24.80 | R 25.71 | 83.67 | R 86.73 | ||||||||
1999 | 18.30 | R 18.70 | 43.37 | R 44.31 | 33.40 | R 34.13 | 95.07 | R 97.14 | ||||||||
2000 | 18.02 | R 18.02 | R 74.33 | R 74.33 | 56.93 | R 56.93 | R 149.28 | R 149.28 | ||||||||
2001 | 19.60 | R 19.15 | R 82.28 | R 80.37 | 46.25 | R 45.18 | R 148.13 | R 144.70 | ||||||||
2002 | R 19.68 | R 18.93 | R 58.77 | R 56.54 | R 47.21 | R 45.42 | R 125.66 | R 120.89 | ||||||||
2003P | 19.23 | 18.20 | 99.95 | 94.58 | 57.71 | 54.61 | 176.89 | 167.39 | ||||||||
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