Growth in output per hour of all persons, nonfarm business, seasonally adjusted, 2004 I - 2006 I (percent change from previous quarter at annual rate) Percent change 2004 I 2.4 2004 II 4.5 2004 III 1.7 2004 IV 2.0 2005 I 3.8 2005 II 2.4 2005 III 4.2 2005 IV -0.3 2006 I 3.2