Since the late 1970s, though, the share of Americans with health insurance has shrunk.

Since then, the Catholics' share of the population has shrunk to about one fourth.

By 1975, the farmers' share of the population had shrunk to 2.5%.

But the share for bridges had shrunk, to $1.38 billion, an 8 percent decline.

Subsequently, the American share of both influence and investment has shrunk.

Perhaps, as a result, rap's share of the market has been shrinking.

But the study found that the city's share of Federal money for medical research is shrinking.

In 2002, the Japanese video game industry made up about 50% of the global market; that share has since shrunk to around 10% by 2010.

At the end of 1990, that share had shrunk to 17 percent.

Not only that, the department stores' share of clothing sales is shrinking.