Frequencies for first 10,000 rows of smsares variable in natl1993 dataset :

PSMA/MSA of |
  Residence |
     (NCHS) |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      3,202       32.02       32.02
        003 |          1        0.01       32.03
        015 |        308        3.08       35.11
        019 |          5        0.05       35.16
        024 |          1        0.01       35.17
        035 |          2        0.02       35.19
        037 |      2,233       22.33       57.52
        042 |          1        0.01       57.53
        065 |          1        0.01       57.54
        071 |         62        0.62       58.16
        080 |        318        3.18       61.34
        085 |        306        3.06       64.40
        100 |        306        3.06       67.46
        107 |          1        0.01       67.47
        114 |          1        0.01       67.48
        132 |        656        6.56       74.04
        136 |          2        0.02       74.06
        139 |          1        0.01       74.07
        185 |          1        0.01       74.08
        192 |      1,157       11.57       85.65
        196 |        986        9.86       95.51
        205 |          1        0.01       95.52
        206 |          1        0.01       95.53
        210 |          1        0.01       95.54
        222 |         17        0.17       95.71
        223 |          5        0.05       95.76
        244 |          1        0.01       95.77
        296 |        242        2.42       98.19
        999 |        181        1.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015