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Show 1975 appears to be a counter- trend estimate. The figure would appear, from the evident trends, to be more acceptable at a level of say 3.27. It would then be rational to adjust all the subsequent figures, maintaining an equivalent constancy in ratio to the U. S. figure which is evident in the Table 20 for the years 1980, 1985 and 1990. The revised figures are also shown in Table 20. The point needs to be emphasized that the suggested changes in the ratio of population per household need not and probably do not relate to the population figures themselves, but rather to the estimates of needed dwelling units. It is clear that most of the increased number of dwelling units inferred from the figures above would be for fairly small household units. Insufficient data are available to project household size ratios for Salt Lake City. However, for comparative purposes, it may be of interest that the ratios for the City in 1960 and 1970 were, respectively 3.04 and 2.71. Table 21 shows the United States data which were abstracted for presentation in Column B of Table 20. 33 |