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APPENDIX Table IX. NUMBER, PER CENT DISTRIBUTION, AND PER CENT CHANGE IN SELECTED OCCUPATIONS TOTAL AND NEGRO WORKERS - UNITED STATES - 1930 and 1920 1930-1920 EMPLOYEES [[9 column table]] Occupation | 1930 Total | 1930 Negro | 1920 Total | 1920 Negro | Percent Change Total | Percent Change Negro | Percent Negro of Total 1930 | Percent Negro of Total 1920 ALL OCCUPATIONS | 48,829,920 | 5,503,535 | 41,614,248 | 4,824,151 | 17.3 | 14.1 | 11.3 | 11.6 MANUFACTURING & MECHANICAL INDUSTRIES Apprentices to Building and Hand Trades | 40,133 | 643 | 73,953 | 1,267 | -46. | -97.1 | 1.6 | 1.7 Bakers | 140,800 | 4,527 | 97,940 | 3,126 | 43.8 | 43.0 | 3.2 | 3.2 Blacksmiths, Forgemen and hammermen | 147,469 | 5,682 | 221,421 | 8,886 | -33.3 | -36.0 | 3.8 | 4.0 Boilermakers | 49.923 | 1,030 | 74,088 | 1,398 | -32.6 | -26.3 | 2.0 | 1.8 Brick and stone masons and tile layers | 170,903 | 11,701 | 131,264 | 10,609 | 30.1 | 10.2 | 6.8 | 8.0 [[line]] EMPLOYEES Builders and Building Contractors | 167,512 | 2,566 | 90,109 | 1,454 | 85.8 | 76.4 | 1.5 | 1.6 Cabinetmakers | 57,897 | 479 | 45,511 | 456 | 27.2 | 5.0 | 0.8 | 1.0 Carpenters | 929,426 | 32,413 | 887,379 | 34,217 | 4.7 | -5.2 | 3.4 | 3.6 Compositors, linotypers and typesetters | 183,632 | 2.101 | 140,165 | 1,540 | 31.0 | 36.4 | 1.1 | 1.0 Electricians | 280,317 | 1,913 | 212,964 | 1,342 | 31.6 | 42.5 | 0.8 | 0.6 Electrotypers, stereotypers and lithographers | 16,692 | 48 | 13,716 | 78 | 21.6 | -38.4 | 0.2 | 0.5 Machinists, millwrights and toolmakers | 430,1105 | 15,677 | 248,497 | 8,034 | 71.5 | 95.1 | 3.6 | 3.2 Painters, glaziers, varnishers, enamelers, etc., (Factory) | 93,068 | 2,549 | 70,398 | 1,327 | 32.2 | 92.0 | 2.7 | 1.8 Paper hangers | 28,328 | 2,154 | 18,746 | 954 | 51.1 | 125.7 | 7.6 | 5.0 Plasterers and cement finishers | 85,480 | 13,465 | 45,876 | 7,082 | 87.4 | 90.1 | 15.7 | 15.4 Plumbers, and gas and steam fitters | 237,814 | 4,729 | 206,718 | 3,516 | 15.0 | 34.4 | 1.9 | 1.7 Stonecutters | 22.887 | 328 | 22,009 | 280 | 3.6 | 17.1 | 1.4 | 1.2 Upholsterers | 51.452 | 915 | 29,605 | 648 | 73.8 | 41.2 | 1.7 | 2.1 [[left margin]] Twenty-nine [/left margin]]