The decline in the Region-wide total, upon closer inspection, turns out to have been confined largely to four New York City boroughs: Bronx, Brooklyn, Manhattan, and Queens. Together, these experienced a 60 percent decline in residential building activity, to 17,848, from their combined 1963 total of 46,749 units. In fact, in the Region outside of New York City, the number of new housing units increased more between 1963 and 1964 than between any previous two years since 1957.
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