Frequencies for first 10,000 rows of clmn_num variable in snf_alpha2540_10_2012

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
      00000 |      2,308       23.08       23.08
      00100 |      2,718       27.18       50.26
      00200 |        861        8.61       58.87
      00300 |      1,252       12.52       71.39
      00400 |        437        4.37       75.76
      00401 |          7        0.07       75.83
      00402 |          7        0.07       75.90
      00500 |        279        2.79       78.69
      00600 |        392        3.92       82.61
      00700 |        194        1.94       84.55
      00800 |        159        1.59       86.14
      00801 |          5        0.05       86.19
      00900 |        221        2.21       88.40
      01000 |        203        2.03       90.43
      01100 |        136        1.36       91.79
      01200 |        234        2.34       94.13
      01201 |          3        0.03       94.16
      01300 |        198        1.98       96.14
      01301 |          8        0.08       96.22
      01400 |        174        1.74       97.96
      01500 |        204        2.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2018