home school factoid

The United States Department of Education last did a survey on home schooling in 2003. That survey did not ask about full-time in-home teachers. But it found that from 1999 to 2003, the number of children who were educated at home had soared, increasing by 29 percent, to 1.1 million students nationwide. It also found that, of those, 21 percent used a tutor.

The Gilded Age of Home Schooling
by Susan Saulny

Do we have data more recent than 2003?