Bulletin of the United States Bureau of Labor Statistics
3 0, 1 0, 4 0. 1 О. 2 0, 3 0, 7 0. 9 0. 3 0. 1 S 1. 60 and under 25, 3 15. 7 30. 4 23. 7 25. 4 38. 0 41, 5 22. 1 26. 6 6. 1 $ 1 65 and under S 1. 70 5. 5 3. 2 6. 7 4. 7 4.
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