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NEW YORK (CNN/Money) - Single-home price growth over the 12 months ending June 30 was the strongest in history, according to the National Association of Realtors.

In its quarterly survey, NAR found that U.S. home prices rose at an annual rate of 13.6 percent, to a median price of $208,300.

Of the 149 metro areas surveyed, 67 showed gains of more than 10 percent. See table tracking all 149 markets.

David Lereah, NAR's chief economist, called the increases unprecedented. "When you look at appreciation of home prices relative to the overall rate of inflation, these are the strongest increases on record," he said.

The Phoenix market, up 47 percent since the second quarter of 2004, led all metro areas. The median home price there is $243,400.

Right behind Phoenix came several south Florida metro areas, including Cape Coral/Fort Myers, with growth of 45.2 percent.

Seven metro areas posted price declines; the most severe was in the Kalamazoo/Portage area of Michigan, where home prices have declined 3.7 percent, to $122,600.

The lowest priced market was Danville, Illinois. There, the average home is $73,400. Though that's up 16.9 percent from the second quarter a year ago.

The West beat all other regions, averaging an annual gain of 19.5 percent, to $312,600. The South had the slowest growth, just 5.7 percent to $179,400. The Midwest climbed 12.1 percent to $167,800 and the median home in the East is up to $243,100, 13.1 percent higher than a year ago.