The rise in helium prices

While government prices for crude helium have not quite doubled over the last 10 years, the price for privately-held, grade-A helium has nearly tripled in the same time period.

The rise in helium prices over the last decade.
Source: U.S. Geological Survey. Graphic: The Washington Post. Published on May 11, 2012, 6:59 p.m.
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