Frequencies for first 10,000 rows of clmn_num variable in hospc_alpha1984_99_20

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
       0000 |      3,570       35.70       35.70
       0001 |         63        0.63       36.33
       0002 |         59        0.59       36.92
       0003 |         55        0.55       37.47
       0004 |         14        0.14       37.61
       0005 |         49        0.49       38.10
       0006 |         67        0.67       38.77
       0100 |      1,722       17.22       55.99
       0101 |         19        0.19       56.18
       0102 |          2        0.02       56.20
       0103 |          2        0.02       56.22
       0106 |          8        0.08       56.30
       0200 |      1,395       13.95       70.25
       0201 |         17        0.17       70.42
       0300 |      1,164       11.64       82.06
       0301 |         17        0.17       82.23
       0400 |        518        5.18       87.41
       0500 |        466        4.66       92.07
       0600 |        745        7.45       99.52
       0601 |         48        0.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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