http://www.w3.org/ns/prov#value | - 11 percent.The preliminary report shows 90.1 million Americans, or nearly 38 percent of the population 16 years of age and older, participated in wildlife-related recreation in 2011, an increase of 2.6 million participants from 2006.They spent $145 billion on related gear, trips and other purchases, such as licenses, tags and land leasing and ownership.
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