求翻译：　　据加州葡萄酒协会统计，大多数美国葡萄酒都产自西海岸，仅加州葡萄酒年产量平均达500多万加仑，占全国总产量的90%。2010年加州葡萄酒行业零售额达185亿美元。是什么意思？

　　According to the California wine Association statistics, most United States wine originating in the West Coast, average annual output is more than 5 million gallons of wine in California alone, 90% of the total national output. 2010 California wine industry retail sales of us $ 18.5 billion.