Since 1991 there has been an average of six cases each year.

In January 1990, investigative workers carried an average of 14 cases.

This is in addition to an average of 200 new cases a week.

They have also carried an average of 41 cases each - twice what is considered the accepted standard.

There had been an average of six cases per year since 2001, but that rose to 13 in 2009.

In the United States, from 2000 through 2007 an average of 31 cases were reported per year.

He said there had been an average of five cases in Darlington every week for the last two or three months.

Among women ages 20 to 24, an average of 123 cases occur.

While producing no second wine, the annual production is an average of 6500 cases.

Currently, each worker handles an average of 14.3 cases, a number city that officials want to bring down to about 12.