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A landmark study by the U.S. Department of Commerce states that outdoor recreation contributed $373.7 billion to the nation’s Gross Domestic Product in 2016, accounting for 2 percent of the nation’s GDP. Released in February, the study indicates that outdoor recreation’s contribution is larger than mining and the extraction of oil and gas.

Motorized vehicles—including motorcycles and ATVs—accounted for $59.4 billion of the output, with recreational vehicles accounting for $30 billion of that total.

Boating and fishing came in second at $38.2 billion. Hunting, shooting and trapping accounted for $15.4 billion. The equestrian industry accounted for about $12 billion. And backpacking, climbing and other activities made up $10 billion.