Table 2.6.Value of the Resource, Additions, and Depletion of
Gas, Transaction Price Method
[Billions of current dollars]
| Year
| Opening stock
| Additions
| Depletion
| Revaluation adjustment
| Closing stock (1+2-3+4)
|
| (1) |
(2) | (3) | (4) | (5) |
| 1977 | | 7.7 | 12.2 | | 129.5 |
| 1978 | 129.5 | 6.3 | 11.4 | 20.3 | 144.8 |
| 1979 | 144.8 | 12.2 | 16.8 | 46.7 | 186.8 |
| 1980 | 186.8 | 24.8 | 20.5 | 7.0 | 198.1 |
| 1981 | 198.1 | 20.4 | 17.9 | 10.0 | 210.6 |
| 1982 | 210.6 | 21.4 | 21.7 | -25.7 | 184.6 |
| 1983 | 184.6 | 10.1 | 11.0 | -42.7 | 141.0 |
| 1984 | 141.0 | 10.1 | 12.0 | -12.3 | 126.8 |
| 1985 | 126.8 | 7.4 | 9.9 | -5.6 | 118.7 |
| 1986 | 118.7 | 9.6 | 10.7 | -1.7 | 115.9 |
| 1987 | 115.9 | 6.5 | 8.8 | -32.3 | 81.2 |
| 1988 | 81.2 | -.6 | 4.9 | -33.0 | 42.7 |
| 1989 | 42.7 | 4.2 | 4.4 | 1.5 | 44.0 |
| 1990 | 44.0 | 5.5 | 4.9 | 22.5 | 67.2 |
| 1991 | 67.2 | 8.1 | 9.3 | 16.3 | 82.3 |
Table 2.5