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

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
       0000 |      3,328       33.28       33.28
       0001 |         59        0.59       33.87
       0002 |         54        0.54       34.41
       0003 |         59        0.59       35.00
       0004 |         31        0.31       35.31
       0005 |         52        0.52       35.83
       0006 |         72        0.72       36.55
       0100 |      1,794       17.94       54.49
       0101 |         12        0.12       54.61
       0106 |          1        0.01       54.62
       0200 |      1,336       13.36       67.98
       0206 |          1        0.01       67.99
       0300 |      1,199       11.99       79.98
       0301 |         12        0.12       80.10
       0306 |          1        0.01       80.11
       0400 |        607        6.07       86.18
       0500 |        617        6.17       92.35
       0600 |        732        7.32       99.67
       0601 |          9        0.09       99.76
       0602 |         12        0.12       99.88
       0603 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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