Frequencies for first 10,000 rows of gpmed5 variable in nhamcsed2009 dataset :

med 5 given |
in ed or rx |
         at |
  discharge |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         25        0.25        0.25
         -7 |      9,176       91.76       92.01
          1 |        492        4.92       96.93
          2 |        273        2.73       99.66
          3 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016