Coal reserves are due to be exhausted at the mine in around five years but an extension is required for the last three of those years.

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Official Russian history asserts that Stalin believed that Germany, even if it were to emerge from war as a victor, would be so exhausted that it would be unable to wage war with the USSR for at least a decade.

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Funded by the 1.8% payroll tax and comprising nearly 18% of all social security spending, at current pace the trust fund may be exhausted by as early as 2015.

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At some point, the selling will be exhausted.

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With 1.74 million homes on the market, at the current sales pace, supply will be exhausted in just over four months.

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At that time, the trust fund was projected to be exhausted by 2016.

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