That compared with 53.6 percent for the entire country, according to the Federal agency.

That compared with 56 percent for all students, including athletes, in the same class.

That compares with 15.6 percent for the class of 1998.

That compares with 10 or 12 percent in the general population.

That compares with 58 percent in 1990, according to one study.

That compares with nearly 30 percent at the end of the 1990s.

That compares with 33 percent who said so in 2004.

That compared with 53 percent for all students during the same period.

This compares with 35 percent who did so between 1961 and 1965.

That compares with 2.6 million, or 47 percent of the same group eight years ago.