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		1883.	1884.	1885.	1886.	1887.	1888.	1889.
Italy		25,485	14,076	16,033	29,312	44,274	43,927	28,810
Russia	$\scriptstyle {\left.{\begin{matrix}\ \\\ \end{matrix}}\right\}\,}$	7,577	12,432	16,578	23,987	33,203	33,052	31,329
Poland
Hungary		13,160	15,797	11,129	18,135	17,719	12,905	15,678
Bohemia		4,877	7,093	6,697	4,222	6,449	3,982	5,412

Tenements.

Number of tenements in New York, December 1, 1888.	32,390
Number built from June 1, 1888, to August 1, 1890	3,733
Rear tenements in existence, August 1, 1890	2,630
Total number of tenements, August 1, 1890	37,316
Estimated population of tenements, August 1, 1890	1,250,000
Estimated number of children under five years in tenements, 1890	163,712

Corner tenements may cover all of the lot, except 4 feet at the rear. Tenements in the block may only cover seventy-eight per cent. of the lot. They must have a rear yard 10 feet wide, and air-shafts or open courts equal to twelve per cent. of the lot.

Tenements or apartment houses must not be built over 70 feet high in streets 60 feet wide.

Tenements or apartment houses must not be built over 80 feet high in streets wider than 60 feet.