The company's market share has also increased, to nearly 3 percent.
In addition, the rate is expected to increase to about 18 percent over the next year.
That is to increase to 50 percent two years later.
According to the government, it will further increase to 25 percent by 2010.
The addition would increase its total interest to 43 percent.
For 1997, the rate is expected to increase to 40 percent.
But last month, officials said, the rate had increased to 80 percent.
Under the Bush plan, their market share would be increased to 20.2 percent in the next 30 months.
By 1997, the figure had increased to nearly 82 percent.
At higher levels, the government's share would increase to 90 percent.