Conversion of 2000 Summary File 3 Data for usuas        14:38 Wednesday, June 17, 2009   1

                           Variable     N            Mean         Std Dev         Minimum         Maximum
                           ------------------------------------------------------------------------------
                           FirstObs     2       381196.50       2.1213203       381195.00       381198.00
                           LastObs      2       453020.50       2.1213203       453019.00       453022.00
                           ------------------------------------------------------------------------------
                                          Conversion of 2000 Summary File 3 Data for usuas        14:38 Wednesday, June 17, 2009   2
                             Proc Tabulate Report: Geography Summary Levels: # Occurrences & Total Pops
                                              (excludes cases where geocomp is not 00)

                                            -------------------------------------------
                                            |               sumlev_code               |
                                            |-----------------------------------------|
                                            |        400         |        410         |
                                            |--------------------+--------------------|
                                            |     Urban Area     |  Urban Area-State  |
                                            |--------------------+--------------------|
                                            |       Pop100       |       Pop100       |
                                            |--------------------+--------------------|
                                            |   N   |    Sum     |   N   |    Sum     |
                                            |-------+------------+-------+------------|
                                            |  3,629| 225,956,060|  3,777| 225,956,060|
                                            -------------------------------------------