51.   The average age of the typical camper is also different.

52.   The average age of those in nursing homes, for instance, has shifted dramatically in recent years as the population has grown older.

53.   The average age of a criminal going into the prison system.

54.   The average age of U.S. citizens has also undergone a dramatic transformation, according to the preliminary figures I have been provided.

55.   The average age for crack users is going up, perhaps creating a less violent market for the drug.

56.   The average age is going up.

57.   The average age of nurses is rising.

58.   The average age of players has been dropping steadily over the last two decades.

59.   The academy does not reveal their names, the average age of its Oscar voters or the racial or male-female breakdown.

60.   The average age of the American car on the road has risen steadily in recent years.