California vintners shipped 467.7 million gallons (196.7 million cases) of California wine to the U.S. wine market in 2009, up a modest 0.2 percent compared to the previous year’s volume. The estimated retail value of these sales was $17.9 billion, down 3 percent from 2008 as consumers traded down to lower-priced wines, according to wine industry consultants Gomberg, Fredrikson & Associates in Woodside.California wine shipments worldwide to all markets in the U.S. and abroad decreased 1.2 percent to 563.5 million gallons (237.0 million cases).