Percent change in unit labor costs, nonfarm business, seasonally adjusted, 2005 I-2006 IV (percent change from previous quarter at annual rate) Percent change from previous quarter at annual rate 2005 I 0.7 2005 II -0.6 2005 III 3.0 2005 IV 3.0 2006 I 9.1 2006 II -2.5 2006 III 1.1 2006 IV 6.6