Frequencies for s2_1_c2_1804 variable in prds_hosp10_yr2013 dataset :

s2_1_c2_180 |
          4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,238       99.84       99.84
     112312 |          1        0.02       99.86
     163502 |          1        0.02       99.87
     163510 |          1        0.02       99.89
     243531 |          1        0.02       99.90
     243534 |          1        0.02       99.92
     333552 |          1        0.02       99.94
     473503 |          1        0.02       99.95
     492301 |          1        0.02       99.97
     523528 |          1        0.02       99.98
     532302 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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