PORTLAND, Ore. -- Oregon craft brewing production keeps bubbling over.

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Figures released Thursday by the Oregon Brewers Guild show production across the state grew at a rate of 8.1 percent last year.

Total beer production for the state was about 860,000 barrels, or 285 million bottles of beer. That's an increase of more than 64,000 barrels from the 796,000 barrels in 2006.

The industry posted strong growth despite increases in hop and barley prices, the two main ingredients in craft beer.

Portland has 32 microbreweries within its city limits, more than any other city in the world. And Oregon boasts 64 brewing companies statewide.