Frequencies for first 10,000 rows of prov2090 variable in pos1993 dataset :

  srv: burn |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,856       88.56       88.56
          0 |      1,076       10.76       99.32
          1 |         30        0.30       99.62
          2 |         33        0.33       99.95
          3 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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