71.  No one knows the exact number of militias because of their clandestine nature.

72.  No one really knows the exact number of cases because foodborne illness is grossly underreported.

73.  No one could give exact numbers, but it is believed that only a handful of attorneys have been prosecuted in criminal courts for cheating clients.

74.  No one agrees on the exact number of galleries in SoHo.

75.  No one agrees on the exact number of killings that are related.

76.  No one will ever know the exact number of deaths and broken lives caused by World War II.

77.  No such lament is heard from the prominent descendants of Confucius, each one claiming to know the exact number of generations separating him from the sage.

78.  Now, many do, though the exact number is hard to pinpoint, he said.

79.  No one knows exact numbers, but several companies offer shareholders everything from chewing gum to a tour of the Chateau Lafite-Rothschild winery in France.

80.  No one knows the exact number of saints, but there are many thousands.