Frequencies for first 10,000 rows of clmn_num variable in snf_alpha2540_96_1998

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
       0000 |      4,889       48.89       48.89
       0100 |      1,461       14.61       63.50
       0101 |          4        0.04       63.54
       0150 |          2        0.02       63.56
       0200 |        687        6.87       70.43
       0201 |          3        0.03       70.46
       0250 |          1        0.01       70.47
       0300 |      1,239       12.39       82.86
       0400 |        250        2.50       85.36
       0500 |        276        2.76       88.12
       0600 |        300        3.00       91.12
       0700 |        132        1.32       92.44
       0800 |        132        1.32       93.76
       0801 |          4        0.04       93.80
       0850 |          2        0.02       93.82
       0900 |        126        1.26       95.08
       1000 |         84        0.84       95.92
       1100 |         55        0.55       96.47
       1200 |        123        1.23       97.70
       1300 |        128        1.28       98.98
       1350 |         60        0.60       99.58
       1351 |          1        0.01       99.59
       1400 |         35        0.35       99.94
       1500 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018