Distribution of annual rates of change for manufacturing multifactor productivity, 1987-2006 Average annual Number of industries percent change -2.0 or less 0 -1.9 to -1.0 8 -0.9 to 0 22 0.1 to 1 40 1.1 to 2 11 2.1 to 3 2 3.1 to 4 1 4.1 or more 2