Frequencies for first 10,000 rows of prov0075 variable in pos1991 dataset :

category of |
provider/su |
     pplier |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      1,344       13.44       13.44
         02 |        592        5.92       19.36
         03 |        855        8.55       27.91
         04 |        156        1.56       29.47
         05 |      1,267       12.67       42.14
         06 |      1,169       11.69       53.83
         07 |        155        1.55       55.38
         08 |        298        2.98       58.36
         09 |        463        4.63       62.99
         10 |      1,319       13.19       76.18
         11 |        588        5.88       82.06
         12 |        258        2.58       84.64
         14 |         35        0.35       84.99
         15 |        317        3.17       88.16
         16 |        169        1.69       89.85
         17 |          8        0.08       89.93
         18 |        295        2.95       92.88
         20 |        712        7.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016