Average Annual % Change in U.S. Labor Productivity - bar chart has 4 groupings: 1950 to 1972, 1973 to 1995, 1996 to 2000 and 2001 to 2006. In the first group, the change was 2.8%. In the second group the change was 1.5%. In the third group, the change was 2.6% and in the fourth group, the change was 2.7%
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