Sales fell 35 percent in the first six months of 2006 from the period a year earlier.
Sales fell more than 10 percent, to $883 million from $1.02 billion.
The company's sales for final three months of 2001 fell by 49% from the same period one year earlier to $151m.
The company also said sales fell 5.4 percent last year.
Sales fell 13 percent, to $873.4 million from $1 billion.
Sales for the year fell 1.6 percent, to $26 billion.
Sales quickly fell more than 20 percent below the levels of a year earlier.
Sales fell 12 percent, to $17.71 billion for the year.
But sales for the period fell 8 percent, to $1.09 billion.
Most recently, sales last month fell 6.9 percent from July 1996.