Table 5.4.—Value of the Resource, Additions, and Depletion of Other Minerals, Present Discounted Value Method Using 10% Discount Rate

[Billions of current dollars]

Year Opening stock Additions Depletion Revaluation adjustment Closing stock (1+2-3+4)
(1) (2)(3)(4)(5)
195811.90.10.1011.9
195911.9.1.1.312.2
196012.2.1.1.512.6
196112.6.2.1.613.2
196213.2.2.1.513.8
196313.8.2.1.314.2
196414.2.3.1014.4
196514.4.3.2.214.7
196614.7.3.2.315.1
196715.1.2.2.315.3
196815.3.1.2-.614.6
196914.60.2-1.013.5
197013.5.1.1-.912.5
197112.5.1.1-.611.9
197211.9.1.1-.311.6
197311.6.1.11.112.6
197412.6.2.23.215.9
197515.9.2.24.520.4
197620.4.3.33.624.0
197724.0.5.41.725.8
197825.8.7.41.027.1
197927.1.5.53.030.1
198030.1-.2.54.834.1
198134.1-.3.64.537.7
198237.7-.5.52.439.1
198339.1-.6.51.539.6
198439.6-.5.6.739.2
198539.2.4.61.040.0
198640.0.3.5.740.4
198740.40.5.240.1
198840.1.1.5-.139.6
198939.6.4.5.339.7
199039.7.2.5.339.7
199139.7.3.5039.4

Table 5.4