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Survey of Market Absorption of Apartments (SOMA)



Annual 2006 Absorptions:

Table A-3. Standard Errors of Estimated Totals: Completions in 1970 to 1984

(2 chances out of 3)





    Estimated     Standard    Estimated      Standard

        total        error        total         error



      5,000         1,060        75,000         4,220

     10,000         1,500       100,000         4,910

     15,000         1,840       150,000         6,140

     20,000         2,130       250,000         8,210

     25,000         2,390       350,000        10,040

     35,000         2,830       450,000        11,750

     50,000         3,520       600,000        14,160





Table B-3. Standard Errors of Estimated Percentages: Completions 1970 to 1984

(2 chances out of 3)



             98       95      90      80      75

 Base of     or       or      or      or      or    

percentage    2        5      10      20      25      50 





   5,000     3.0     4.6     6.3     8.4     9.2    10.6

  10,000     2.1     3.2     4.5     6.0     6.4     7.4

  15,000     1.7     2.6     3.7     4.9     5.2     6.1

  20,000     1.4     2.2     3.2     4.3     4.5     5.2

  25,000     1.3     2.0     2.9     3.8     4.0     4.8

  35,000     1.1     1.8     2.4     3.2     3.5     4.0

  50,000     1.0     1.4     2.0     2.6     2.9     3.3

  75,000     0.7     1.2     1.7     2.1     2.4     2.7

 100,000     0.7     1.1     1.4     1.9     2.0     2.4

 150,000     0.6     0.8     1.2     1.5     1.7     1.9

 250,000     0.5     0.6     1.0     1.2     1.3     1.5

 350,000     0.4     0.6     0.7     1.0     1.1     1.3

 450,000     0.4     0.5     0.7     0.8     1.0     1.1

 600,000     0.2     0.5     0.6     0.7     0.8     0.8




Go to Annual 2006 Absorptions:
Contact George Boyd at 301-763-3199 or mail to george.t.boyd@census.gov for further information on the Survey of Market Absorption of Apartments Data.

Source: U.S. Census Bureau, Social, Economic, and Housing Statistics Division