Jan 17, 2011. /Lesprom Network/. For the fourteenth straight month, U.S. containerboard production in December rose over the same month a year ago. Total production saw an increase of 40,300 tons or 1.5% when compared to December 2009, as the American Forest & Paper Association said in a press release received by Lesprom Network. Production rose compared to November 2010, however, the month over month average daily production was down by 2.4%. Year-end 2010 production has increased 7.1% over 2009. The containerboard operating rate for December 2010 was up 3.7 points over December 2009 to 92.6%. The American Forest & Paper Association is the national trade association of the forest products industry, representing pulp, paper, packaging and wood products manufacturers, and forest landowners.