Crude Rates Refer To: A Specific Age Group. the total population
A crude rate is calculated by multiplying the total count of events by the mid-year population of the chosen location, then by a constant that is a multiple of 10. For public health rates, the usual constants are 100, 1,000, 10,000, or 100,000.the global oil reserves
The global stock of proved reserves is 46.6 times that of yearly usage. Thus, there will be enough oil for around 47 years (at current consumption levels and excluding unproven reserves).
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