Return on equity has averaged a robust 20.1 percent over that period.
Microsoft ended the week up a robust 22 percent, at $115.25.
Incorporations of new businesses rose a robust 3.57 percent during the first half from a year earlier.
The President's job approval rating stands at a robust 58 percent.
By contrast, the European economy grew a robust 3.25 percent annually between 1987 and 1990.
The agency reported that Western Europe's largest economy expanded by a robust 3.4 percent in 1988.
Light-truck sales rose a robust 27 percent, to 130,245, from 91,131 a year earlier.
Housing starts in the Northeast were a robust 22 percent of the nation's total in 1966.
Orders finally picked up in the late fall, and now they are running a robust 20 percent ahead of last year.
Consumer spending was up a robust 3.7 percent, or $29.9 billion, $2.3 billion more than the October estimate.