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r' <br /> r, 2 <br /> Calculation of commercial space needs <br /> Persons employed in % of total population employed <br /> Year commercial sector in commercial sector <br /> 1950 5808 16.92 <br /> 1960 9618 22.4% <br /> 1970 17,377 30.2% <br /> using estimated 1980 population and 1970 percentage of population employed <br /> in commercial sector, calculate current commercial sector employment <br /> 85,139 x .302 = 25,712 persons currently employed in commercial sector <br /> calculate commercial sector employment for the year 2000 using 30«2% as <br /> value for proportion of population employed in commercial sector <br /> 161,116 x .302 = 48,657 persons estimated to be employed in commercial <br /> sector by year 2000 <br /> subtract year 1980 commercial sector employment from year 2000 employment <br /> to get increase in commercial sector employment by year 2000 <br /> 48,657 -- 25,712 = 22,945 increase in commercial sector employment by <br /> year 2000 <br /> Using a standard of one acre for every 20 employees in the commercial sector,# <br /> calculate increase in space needs for the commercial sector by the year 2000 <br /> 22,945 x-0 = 1147 additional acres needed by the year 2000 for commer- <br /> cial sector employment <br /> *Land Classification Plan TJCOG 1978 <br /> total increase in land space needs for industrial and commercial use in <br /> Orange County by the year 2000 <br /> 1147 + 418 = 1565 acres <br />