Table 1.3.—Value of the Resource, Additions, and Depletion of
Oil, Present Discounted Value Method Using 3% Discount Rate
[Billions of current dollars]
| Year
| Opening stock
| Additions
| Depletion
| Revaluation adjustment
| Closing stock (1+2-3+4)
|
| (1) |
(2) | (3) | (4) | (5) |
| 1947 | | | 1.8 | | 26.8 |
| 1948 | 26.8 | 5.3 | 2.8 | 5.7 | 35.0 |
| 1949 | 35.0 | 4.4 | 2.5 | 2.1 | 39.0 |
| 1950 | 39.0 | 3.9 | 2.8 | -.1 | 40.0 |
| 1951 | 40.0 | 6.2 | 3.1 | -1.7 | 41.4 |
| 1952 | 41.4 | 3.6 | 2.9 | -2.7 | 39.5 |
| 1953 | 39.5 | 4.4 | 3.0 | 1.7 | 42.5 |
| 1954 | 42.5 | 4.1 | 3.3 | 4.2 | 47.5 |
| 1955 | 47.5 | 4.6 | 3.8 | 3.3 | 51.6 |
| 1956 | 51.6 | 4.8 | 4.0 | -.1 | 52.2 |
| 1957 | 52.2 | 3.7 | 4.0 | .6 | 52.5 |
| 1958 | 52.5 | 4.5 | 4.0 | 2.9 | 56.0 |
| 1959 | 56.0 | 5.9 | 4.0 | -4.4 | 53.5 |
| 1960 | 53.5 | 3.8 | 3.9 | -.3 | 53.2 |
| 1961 | 53.2 | 4.2 | 3.9 | -.9 | 52.6 |
| 1962 | 52.6 | 3.5 | 3.9 | -.5 | 51.6 |
| 1963 | 51.6 | 3.5 | 4.0 | .3 | 51.5 |
| 1964 | 51.5 | 4.1 | 4.1 | -.6 | 50.9 |
| 1965 | 50.9 | 4.7 | 4.1 | -1.1 | 50.4 |
| 1966 | 50.4 | 4.4 | 4.2 | -1.3 | 49.3 |
| 1967 | 49.3 | 4.5 | 4.5 | .9 | 50.3 |
| 1968 | 50.3 | 3.7 | 4.6 | -.8 | 48.6 |
| 1969 | 48.6 | 3.1 | 4.7 | -.1 | 46.9 |
| 1970 | 46.9 | 18.9 | 5.2 | 8.4 | 69.0 |
| 1971 | 69.0 | 3.9 | 5.5 | 1.5 | 68.9 |
| 1972 | 68.9 | 2.6 | 5.5 | 1.1 | 67.1 |
| 1973 | 67.1 | 4.0 | 5.6 | 15.9 | 81.3 |
| 1974 | 81.3 | 5.1 | 7.2 | 25.6 | 104.8 |
| 1975 | 104.8 | 4.7 | 9.2 | 28.1 | 128.3 |
| 1976 | 128.3 | 5.2 | 11.6 | 20.4 | 142.3 |
| 1977 | 142.3 | 16.5 | 12.6 | 7.9 | 154.1 |
| 1978 | 154.1 | 12.4 | 13.9 | 16.4 | 169.0 |
| 1979 | 169.0 | 9.1 | 16.1 | 61.6 | 223.6 |
| 1980 | 223.6 | 22.1 | 21.4 | 91.6 | 315.9 |
| 1981 | 315.9 | 25.4 | 27.5 | 32.2 | 346.0 |
| 1982 | 346.0 | 22.2 | 42.3 | 109.1 | 435.0 |
| 1983 | 435.0 | 55.0 | 54.0 | 72.2 | 508.3 |
| 1984 | 508.3 | 62.5 | 51.0 | -38.1 | 481.7 |
| 1985 | 481.7 | 46.6 | 45.7 | -98.6 | 383.9 |
| 1986 | 383.9 | 18.5 | 34.4 | -80.2 | 287.9 |
| 1987 | 287.9 | 28.8 | 25.5 | -77.7 | 213.6 |
| 1988 | 213.6 | 13.4 | 15.6 | -45.0 | 166.4 |
| 1989 | 166.4 | 13.8 | 16.2 | 27.2 | 191.1 |
| 1990 | 191.1 | 17.0 | 19.0 | 33.2 | 222.4 |
| 1991 | 222.4 | 8.7 | 21.0 | 4.4 | 214.5 |
Table 1.2
Table 1.4
