The rigid box sales increased 36.42 percent to $5,668,874 in November 2004, compared to $4,155,501 in November 2003 according to National Paperbox Association's (NPA) billed sales statistical program. The NPA report reflects sales statistics submitted by the NPA member companies only. The Eastern/New England region was up to 10.92 percent, the Midwest was up to 105.72 percent, and Southern/Western was up to 6.34 percent.