Multifactor productivity in the private business sector, percent changes, 1998-2008 Percent change 1998 1.3 1999 1.4 2000 1.2 2001 0.4 2002 2.1 2003 2.8 2004 2.7 2005 1.3 2006 0.6 2007 0.4 2008 1.2