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Survey of Market Absorption of Apartments (SOMA)



Annual 2006 Absorptions:

Table A-1. Standard Errors of Estimated Totals: Completions in 1986 to 2005

(2 chances out of 3)



    Estimated     Standard    Estimated       Standard

    total         error       total           error



     1,000          500        35,000          3,200

     2,000          800        50,000          3,800

     3,000          900        75,000          4,700

     4,000        1,100       100,000          5,400

     5,000        1,200       150,000          6,600

    10,000        1,700       250,000          8,500

    15,000        2,100       350,000         10,100

    20,000        2,400       450,000         11,400

    25,000        2,700       600,000         13,200







Table B-1. Standard Errors of Estimated Percentages: Completions 1986 to 2005

(2 chances out of 3)



              98      95        90       80       75       60

 Base of      or      or        or       or       or       or

percentage    2       5         10       20       25       40      50



   1,000      7.5    11.7      16.1     21.5     23.3     26.3    26.9

   2,000      5.3     8.3      11.4     15.2     16.5     18.6    19.0

   3,000      4.3     6.8       9.3     12.4     13.4     15.2    15.5

   4,000      3.8     5.9       8.1     10.8     11.6     13.2    13.4

   5,000      3.4     5.2       7.2      9.6     10.4     11.8    12.0

  10,000      2.4     3.7       5.1      6.8      7.4      8.3     8.5

  15,000      1.9     3.0       4.2      5.6      6.0      6.8     6.9

  20,000      1.7     2.6       3.6      4.8      5.2      5.9     6.0

  25,000      1.5     2.3       3.2      4.3      4.7      5.3     5.4

  35,000      1.3     2.0       2.7      3.6      3.9      4.5     4.5

  50,000      1.1     1.7       2.3      3.0      3.3      3.7     3.8

  75,000      0.9     1.4       1.9      2.5      2.7      3.0     3.1

 100,000      0.8     1.2       1.6      2.2      2.3      2.6     2.7

 150,000      0.6     1.0       1.3      1.8      1.9      2.2     2.2

 250,000      0.5     0.7       1.0      1.4      1.5      1.7     1.7

 350,000      0.4     0.6       0.9      1.1      1.2      1.4     1.4

 450,000      0.4     0.6       0.8      1.0      1.1      1.2     1.3

 600,000      0.3     0.5       0.7      0.9      1.0      1.1     1.1




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