Per-capita disposable personal income has climbed 4.3 percent over the same period.
His income has climbed to roughly $80,000 in the last couple of years.
"I'm figuring that my income will have climbed by then as well," he said.
For all of 1986, net income climbed 6 percent, to $1.06 billion, from $1 billion.
General Electric said its net income climbed 9 percent, to $1.03 billion, from $945 million in the 1989 period.
But operating income climbed 27.5 percent in the quarter, to $71.5 million.
Net income climbed 8 percent, to 13.4 billion yen, or roughly $130 million.
Because the population did not grow very much, incomes climbed as employers were forced to compete for workers.
Net income climbed to $841 million from $586 million in the period a year earlier.
Most significantly to the business, which is privately held, net income has climbed 39.5 percent in the last five years.