It has been growing about 20 percent a year ever since.
"The number is growing about 5 percent a year," he said.
The company's business is growing about 8 percent annually, and he said it expected to add a city a year.
"We'd better be right that the industry is going to keep growing about 10 percent a year."
A spokeswoman said sales were growing about 30 percent a month.
Since 1997, sales have grown about 30 percent each year.
That would grow to about 82 percent under the new regulations.
The 7,350-student district has grown by 1,600 students, or about 28 percent, since 1995.
Its economy, which had been growing by about 5 percent a year for the past five years, has stalled.
Under current law, Medicare would grow about 10 percent a year.