Frequencies for first 10,000 rows of smsares variable in natl1996 dataset :

PSMA/MSA of |
  Residence |
     (NCHS) |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      3,172       31.72       31.72
        012 |        295        2.95       34.67
        016 |          2        0.02       34.69
        018 |          1        0.01       34.70
        030 |         38        0.38       35.08
        032 |      2,115       21.15       56.23
        055 |          2        0.02       56.25
        058 |          1        0.01       56.26
        063 |         86        0.86       57.12
        072 |        242        2.42       59.54
        076 |          2        0.02       59.56
        077 |        328        3.28       62.84
        094 |        283        2.83       65.67
        101 |          2        0.02       65.69
        129 |        835        8.35       74.04
        135 |          1        0.01       74.05
        147 |          1        0.01       74.06
        148 |          1        0.01       74.07
        168 |          2        0.02       74.09
        178 |          1        0.01       74.10
        180 |          1        0.01       74.11
        184 |      1,247       12.47       86.58
        188 |        845        8.45       95.03
        192 |          2        0.02       95.05
        193 |          1        0.01       95.06
        196 |          1        0.01       95.07
        210 |          1        0.01       95.08
        212 |          2        0.02       95.10
        275 |          1        0.01       95.11
        287 |        300        3.00       98.11
        999 |        189        1.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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