Frequencies for first 10,000 rows of brstate variable in linkco1991us_num dataset :

   State of |
Residence - |
 NCHS Codes |
    - Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        691        6.91        6.91
          2 |        100        1.00        7.91
          3 |        561        5.61       13.52
          4 |        314        3.14       16.66
          5 |      4,345       43.45       60.11
          6 |        447        4.47       64.58
          7 |        355        3.55       68.13
          8 |        126        1.26       69.39
          9 |        232        2.32       71.71
         10 |      1,707       17.07       88.78
         11 |        836        8.36       97.14
         12 |          3        0.03       97.17
         14 |          1        0.01       97.18
         15 |          2        0.02       97.20
         16 |          1        0.01       97.21
         17 |          1        0.01       97.22
         20 |          1        0.01       97.23
         21 |        148        1.48       98.71
         22 |          2        0.02       98.73
         23 |          2        0.02       98.75
         24 |          1        0.01       98.76
         25 |          7        0.07       98.83
         26 |          1        0.01       98.84
         27 |          4        0.04       98.88
         28 |          5        0.05       98.93
         29 |          2        0.02       98.95
         31 |          5        0.05       99.00
         33 |         10        0.10       99.10
         34 |          3        0.03       99.13
         36 |          4        0.04       99.17
         37 |          3        0.03       99.20
         39 |          2        0.02       99.22
         40 |          1        0.01       99.23
         41 |         12        0.12       99.35
         42 |          1        0.01       99.36
         43 |          5        0.05       99.41
         44 |          4        0.04       99.45
         45 |          1        0.01       99.46
         47 |         31        0.31       99.77
         48 |          1        0.01       99.78
         49 |          1        0.01       99.79
         50 |          1        0.01       99.80
         51 |         10        0.10       99.90
         55 |          2        0.02       99.92
         57 |          5        0.05       99.97
         59 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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