Percent change in unit labor costs, seasonally adjusted, 1999 II-2001 I (percent change from previous quarter at annual rate) Percent change from previous quarter at annual rate 1999 II 1.5 1999 III 0.9 1999 IV -4.4 2000 I -3.0 2000 II -1.9 2000 III 0.2 2000 IV 2.8 2001 I 7.0