Read Me File for the 2006 American Community Survey (ACS) Some data values represent unique situations where either: a) the information to be conveyed is an explanation for the absence of data, represented by a symbol in the data display, such as "(X)", or b) the information to be conveyed is an open-ended distribution, such as 115 or greater, represented by 115+. Following are the special data values (and their meaning) for case (a), which can appear in any 2006 ACS table or map product: -999999999 = N Indicates that an estimate or its margin of error cannot be provided because the number of sample cases is too small for the given geographic area. -888888888 = (X) Indicates that the estimate is not applicable or not available. -777777777 = (Z) Estimate is not available for an undefined reason. -666666666 = - Indicates that no smaple observations were available to compute an estimate, or a ratio of medians cannot be calculated because one or both of the median estimates falls in the lowest interval or upper interval of an open-ended distribution. Following are the special data values (and their meaning) for case (b), which are specific to a particular 2006 ACS Detailed Table, or to a 2006 ACS table or map which is "sourced" or derived from these same Detailed Tables: TABLE_ID | LOW_END_DATA_VALUE | MEANING_OF_LOW_END_DATA_VALUE | HIGH_END_DATA_VALUE | MEANING_OF_HIGH_END_DATA_VALUE B01002 | 0 | 1- | 116 | 115+ B01002A | 0 | 1- | 116 | 115+ B01002B | 0 | 1- | 116 | 115+ B01002C | 0 | 1- | 116 | 115+ B01002D | 0 | 1- | 116 | 115+ B01002E | 0 | 1- | 116 | 115+ B01002F | 0 | 1- | 116 | 115+ B01002G | 0 | 1- | 116 | 115+ B01002H | 0 | 1- | 116 | 115+ B01002I | 0 | 1- | 116 | 115+ B05004 | 0 | 1- | 116 | 115+ B06002 | 0 | 1- | 116 | 115+ B06002PR | 0 | 1- | 116 | 115+ B06011 | 2499 | 2,500- | 100001 | 100,000+ B06011PR | 2499 | 2,500- | 100001 | 100,000+ B07002 | 0 | 1- | 116 | 115+ B07002PR | 0 | 1- | 116 | 115+ B07011 | 2499 | 2,500- | 100001 | 100,000+ B07011PR | 2499 | 2,500- | 100001 | 100,000+ B08103 | 0 | 1- | 116 | 115+ B08121 | 2499 | 2,500- | 100001 | 100,000+ B08503 | 0 | 1- | 116 | 115+ B08521 | 2499 | 2,500- | 100001 | 100,000+ B10010 | 2499 | 2,500- | 200001 | 200,000+ B18040 | 2499 | 2,500- | 100001 | 100,000+ B18041 | 2499 | 2,500- | 100001 | 100,000+ B18042 | 2499 | 2,500- | 100001 | 100,000+ B18043 | 2499 | 2,500- | 100001 | 100,000+ B18044 | 2499 | 2,500- | 100001 | 100,000+ B18045 | 2499 | 2,500- | 100001 | 100,000+ B18046 | 2499 | 2,500- | 100001 | 100,000+ B19013 | 2499 | 2,500- | 200001 | 200,000+ B19013A | 2499 | 2,500- | 200001 | 200,000+ B19013B | 2499 | 2,500- | 200001 | 200,000+ B19013C | 2499 | 2,500- | 200001 | 200,000+ B19013D | 2499 | 2,500- | 200001 | 200,000+ B19013E | 2499 | 2,500- | 200001 | 200,000+ B19013F | 2499 | 2,500- | 200001 | 200,000+ B19013G | 2499 | 2,500- | 200001 | 200,000+ B19013H | 2499 | 2,500- | 200001 | 200,000+ B19013I | 2499 | 2,500- | 200001 | 200,000+ B19019 | 2499 | 2,500- | 200001 | 200,000+ B19049 | 2499 | 2,500- | 200001 | 200,000+ B19080 | 2499 | 2,500- | 100001 | 100,000+ B19081 | 0 | 0 | 250001 | 250,000+ B19113 | 2499 | 2,500- | 200001 | 200,000+ B19113A | 2499 | 2,500- | 200001 | 200,000+ B19113B | 2499 | 2,500- | 200001 | 200,000+ B19113C | 2499 | 2,500- | 200001 | 200,000+ B19113D | 2499 | 2,500- | 200001 | 200,000+ B19113E | 2499 | 2,500- | 200001 | 200,000+ B19113F | 2499 | 2,500- | 200001 | 200,000+ B19113G | 2499 | 2,500- | 200001 | 200,000+ B19113H | 2499 | 2,500- | 200001 | 200,000+ B19113I | 2499 | 2,500- | 200001 | 200,000+ B19119 | 2499 | 2,500- | 200001 | 200,000+ B19121 | 2499 | 2,500- | 200001 | 200,000+ B19125 | 2499 | 2,500- | 200001 | 200,000+ B19126 | 2499 | 2,500- | 200001 | 200,000+ B19202 | 2499 | 2,500- | 200001 | 200,000+ B19202A | 2499 | 2,500- | 200001 | 200,000+ B19202B | 2499 | 2,500- | 200001 | 200,000+ B19202C | 2499 | 2,500- | 200001 | 200,000+ B19202D | 2499 | 2,500- | 200001 | 200,000+ B19202E | 2499 | 2,500- | 200001 | 200,000+ B19202F | 2499 | 2,500- | 200001 | 200,000+ B19202G | 2499 | 2,500- | 200001 | 200,000+ B19202H | 2499 | 2,500- | 200001 | 200,000+ B19202I | 2499 | 2,500- | 200001 | 200,000+ B19215 | 2499 | 2,500- | 200001 | 200,000+ B19326 | 2499 | 2,500- | 100001 | 100,000+ B20002 | 2499 | 2,500- | 100001 | 100,000+ B20004 | 2499 | 2,500- | 100001 | 100,000+ B20017 | 2499 | 2,500- | 100001 | 100,000+ B20017A | 2499 | 2,500- | 100001 | 100,000+ B20017B | 2499 | 2,500- | 100001 | 100,000+ B20017C | 2499 | 2,500- | 100001 | 100,000+ B20017D | 2499 | 2,500- | 100001 | 100,000+ B20017E | 2499 | 2,500- | 100001 | 100,000+ B20017F | 2499 | 2,500- | 100001 | 100,000+ B20017G | 2499 | 2,500- | 100001 | 100,000+ B20017H | 2499 | 2,500- | 100001 | 100,000+ B20017I | 2499 | 2,500- | 100001 | 100,000+ B21004 | 2499 | 2,500- | 100001 | 100,000+ B22008 | 2499 | 2,500- | 200001 | 200,000+ B23013 | 0 | 1- | 116 | 115+ B24011 | 2499 | 2,500- | 100001 | 100,000+ B24012 | 2499 | 2,500- | 100001 | 100,000+ B24021 | 2499 | 2,500- | 100001 | 100,000+ B24022 | 2499 | 2,500- | 100001 | 100,000+ B24031 | 2499 | 2,500- | 100001 | 100,000+ B24032 | 2499 | 2,500- | 100001 | 100,000+ B24041 | 2499 | 2,500- | 100001 | 100,000+ B24042 | 2499 | 2,500- | 100001 | 100,000+ B24081 | 2499 | 2,500- | 100001 | 100,000+ B24082 | 2499 | 2,500- | 100001 | 100,000+ B24091 | 2499 | 2,500- | 100001 | 100,000+ B24092 | 2499 | 2,500- | 100001 | 100,000+ B25018 | | | 9.1 | 9.0+ B25021 | | | 9.1 | 9.0+ B25035 | 1939 | 1940- | 2005 | 2005 B25037 | 1939 | 1940- | 2005 | 2005 B25039 | 1969 | 1970- | 2005 | 2005 B25057 | 99 | 100- | 2001 | 2,000+ B25058 | 99 | 100- | 2001 | 2,000+ B25059 | 99 | 100- | 2001 | 2,000+ B25064 | 99 | 100- | 2001 | 2,000+ B25071 | 9.9 | 10.0- | 50.1 | 50.0+ B25076 | 9999 | 10,000- | 1000001 | 1,000,000+ B25077 | 9999 | 10,000- | 1000001 | 1,000,000+ B25078 | 9999 | 10,000- | 1000001 | 1,000,000+ B25083 | 9999 | 10,000- | 1000001 | 1,000,000+ B25088 | 99 | 100- | 4001 | 4,000+ B25088 | 1001 | 1,000+ B25092 | 9.9 | 10.0- | 50.1 | 50.0+ B25097 | 9999 | 10,000- | 1000001 | 1,000,000+ B25099 | 2499 | 2,500- | 200001 | 200,000+ B25103 | 199 | 200- | 10001 | 10,000+ B25105 | 99 | 100- | 4001 | 4,000+ B25107 | 9999 | 10,000- | 1000001 | 1,000,000+ B25109 | 9999 | 10,000- | 1000001 | 1,000,000+ B25111 | 99 | 100- | 2001 | 2,000+ B25113 | 99 | 100- | 2001 | 2,000+ B25119 | 2499 | 2,500- | 200001 | 200,000+