NAPL Printing Business Index Hits Record High The Printing Business Index (PBI) of the National Association for Printing Leadership (NAPL), the association’s broadest measure of print activity, reached a record high of 62.8 in October 2004, up from 59.9 in September. This marks the 16th consecutive month that the index has been above the critical 50.0–the point at which more printers report activity is picking up than report activity is slowing down. “We must remember that the PBI, like ...