More than 70 percent develop symptoms by about 40 years of age.

Only two, or 4 percent of them, developed another cancer.

According to Hunter, only about 5 percent of gamblers develop a problem.

Of the 160 health workers there, 53, or 33 percent, developed the summer flu.

A full 80 percent of women who reported that they had been raped developed the disorder.

With more than 95 percent of the town developed, Dover is lacking in open space.

Only 1.1 percent of patients who took a placebo developed the condition.

Of those, 5 percent to 10 percent develop active cases.

At the end of that decade, the watershed still remained less than 1 percent developed.

About 25 percent of these patients will also develop skin lesions.