Table 3.1.—Value of the Resource, Additions, and Depletion of Coal, Current Rent Method I (Rate of Return)

[Billions of current dollars]

Year Opening stock Additions Depletion Revaluation adjustment Closing stock (1+2-3+4)
(1) (2)(3)(4)(5)
19589.80.20.2-0.19.7
19599.7.2.31.811.5
196011.5.1.31.212.5
196112.5.4.3.413.0
196213.0.5.41.314.4
196314.4.7.41.716.3
196416.3.7.4-.516.2
196516.2.7.4-.416.0
196616.0.6.4-.815.3
196715.3.5.4-1.314.1
196814.1.5.4-1.313.0
196913.0.4.3013.1
197013.1.5.42.515.6
197115.6.5.4-.315.3
197215.3.5.51.416.8
197316.8.6.58.024.9
197424.91.51.016.541.9
197541.92.31.718.961.5
197661.53.02.413.075.1
197775.14.22.5.777.5
197877.5.62.1-9.966.2
197966.211.82.67.983.3
198083.36.93.04.992.2
198192.22.43.0.491.9
198291.95.93.35.9100.4
1983100.4.13.46.1103.2
1984103.26.14.822.4127.0
1985127.07.74.94.6134.4
1986134.47.55.14.0140.7
1987140.74.45.43.2143.0
1988143.05.85.3-5.2138.3
1989138.34.55.3-2.5134.9
1990134.97.05.61.2137.5
1991137.54.65.3-2.4134.4

Table 3.2