Percent change in unit labor costs at annual rate, nonfarm business, seasonally adjusted, 1998 I-2000 IV Percent change 1998 I 1.6 1998 II 3.6 1998 III 3.3 1998 IV 0.7 1999 I 1.8 1999 II 4.3 1999 III 0.2 1999 IV -3.5 2000 I 1.9 2000 II -0.2 2000 III 3.2 2000 IV 4.1