2011 growth rate: -1.2%
Economy size: $38 billion*
Wyoming's economy was expected to rebound after a slowdown in 2010, but it never got the energy it needed to recover.
The state's coal industry, which produces 40% of the coal in the United States, continued to weigh down economic growth in 2011. The weakening of natural gas prices, coupled with a drop in coal production, slowed the mining sector considerably for the year.
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