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Show the jobs by Planning District in the County and by eight industrial categories. This 1974 figure would correspond to a total of about 229,000 payroll jobs in the County. Thus, payroll jobs appear to have increased in number by about 24.7 percent from 1970 to 1974, at an annual rate about triple that for population in that period. It is relevant that the number of payroll jobs in the Salt Lake Administrative District ( SLAD) of DES ( Salt Lake plus Tooele Counties) increased at the rate of 5.3 percent per year from 1970 to 1974, for a gross gain of 22.9 percent. The gain in the SLAD from 1974 to 1975 was 2.2 percent. The DES payroll jobs data have to be considered hard facts, being based upon employer's reports for covered employment, plus percise estimates for the much smaller proportion of the non- covered employment. The problem exists of how to reconcile an estimated 1975 jobs figure in Salt Lake County ( including the self- employed) with data from the UPED. Assuming that self- employment is fairly constant, and represents a figure to be added to the more variable payroll employment, we obtain this: Payroll Jobs 229,000 x 1.022 = 234,000 Self- Employed 15,000 1975 Employment in Salt Lake County 249,000 Spatial Distribution of Jobs: 1960 and 1970 Table 17 shows data for all work- trip destinations of workers in 1960 and 1970, in Salt Lake County. The data are for all workers, regardless of place of residence. The comparison of the 1960 and 1970 trip information indicates that within the County, Salt Lake City in relative terms over the decade lost some of its dominance as a job center, with a decrease from 75.3 to close to 69.2 percent of the County's located jobs. In the same decade, however, the absolute number of jobs in the " Central City" increased by nearly 16 percent. 29 |