More than half the increase has occurred in people over 65.
An increase of 6 percent occurred over the same period for private schools.
The last increase, to $100 from $75, occurred in 1991.
A more moderate increase of 6 percent occurred over the same period for private schools.
The last increase in seats, from 55 to 57, occurred before the 1983 election.
An increase of more than 75 percent occurred among women delivering before age 35.
The first increase, to $5.85, will occur in July, two months after the bill was signed by the president.
By 2010, the total is expected to rise to more than 39 million, with the largest increase occurring among those over 85.
During the same period, an increase occurred in the average amount of food energy consumed.
For men, a similar increase occurred when they were much younger, between the ages of 45 and 49.
