Frequencies for c_1_c5_4201 variable in prds_hosp10_yr2011 dataset :

c_1_c5_4201 |      Freq.     Percent        Cum.
------------+-----------------------------------
    2345038 |          1        0.02        0.02
    4763481 |          1        0.02        0.03
   1.43e+07 |          1        0.02        0.05
   1.15e+08 |          1        0.02        0.07
          . |      6,146       99.93      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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