Frequencies for first 10,000 rows of smsares variable in natl1995 dataset :

PSMA/MSA of |
  Residence |
     (NCHS) |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      3,441       34.41       34.41
        012 |        311        3.11       37.52
        016 |          1        0.01       37.53
        019 |          1        0.01       37.54
        029 |          1        0.01       37.55
        030 |          9        0.09       37.64
        032 |      2,195       21.95       59.59
        053 |          2        0.02       59.61
        062 |          1        0.01       59.62
        063 |        105        1.05       60.67
        072 |        254        2.54       63.21
        076 |          1        0.01       63.22
        077 |        357        3.57       66.79
        094 |        331        3.31       70.10
        097 |          1        0.01       70.11
        110 |          1        0.01       70.12
        118 |          1        0.01       70.13
        129 |        821        8.21       78.34
        153 |          1        0.01       78.35
        177 |          1        0.01       78.36
        184 |        714        7.14       85.50
        188 |        913        9.13       94.63
        208 |          1        0.01       94.64
        210 |          1        0.01       94.65
        212 |          3        0.03       94.68
        222 |          1        0.01       94.69
        251 |          1        0.01       94.70
        287 |        348        3.48       98.18
        999 |        181        1.81       99.99
        ZZZ |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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