. lack-of-order downtime declined from 450000 tons in 2005 to 40000 tons in 2006 , reflecting firm market demand and the impact of the permanent closure of three uncoated freesheet machines in 2005 . operating earnings in 2006 more than doubled compared with both 2005 and 2004 . the benefits of improved aver- age sales price realizations more than offset higher input costs for freight , wood and energy , which were all above 2005 levels