Frequencies for s3_1_c3_1801 variable in prds_hosp10_yr2012 dataset :

s3_1_c3_180 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
      11712 |          1        0.02        0.02
      20496 |          1        0.02        0.03
          . |      6,225       99.97      100.00
------------+-----------------------------------
      Total |      6,227      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018