Their use is expected to increase as more people live longer.
For 1997, the rate is expected to increase to 40 percent.
Interest rates are expected to increase, but not by much.
Population growth is expected to increase the pressure on available water resources.
In addition, the rate is expected to increase to about 18 percent over the next year.
That is expected to increase to 1 in 10 by 2010.
That number is expected to increase to 65 million members by mid-2000.
By 2050, this number is expected to increase to 115 million.
This is expected to increase to nearly $400 million in 2002, according to the research company.
Activity on the state level is also expected to increase.