YEAR	TOTHOUSE	WMNHOUS	FAMSIZE
1960	52799	4507	3.33
1970	63401	5591	3.14
1975	71120	7242	2.94
1980	80776	8705	2.76
1985	86789	10129	2.69
1987	89479	10445	2.66
1988	91066	10608	2.64
1989	92830	10890	2.62
1990	92347	10890	2.63