But his development has been slow, and he never came near the top level.
They are still nowhere near their 1983 level of 21.
The result, he said, was an increase in sales to near the level it had been before June.
Little was said between them until they drew near the level of the cells again.
The effect would be to keep state spending near the level of about $80 billion for the year that ended March 31.
Oil is about $12 a barrel, near its lowest level in 12 years.
"The quality of the equipment we have is nowhere near the professional level," he said.
Dealers said they expected the dollar to remain near its current levels until the end of the year.
Since the mine's closing in 1998, the population has fallen again to near its former level.
The dollar ended near its lowest levels of the day.