Frequencies for s3_2_c3_22 variable in prds_hosp10_yr2015 dataset :

 s3_2_c3_22 |      Freq.     Percent        Cum.
------------+-----------------------------------
   -3983478 |          1        0.02        0.02
   -2540038 |          1        0.02        0.03
       1460 |          1        0.02        0.05
    2199888 |          1        0.02        0.06
    2220578 |          1        0.02        0.08
    3017341 |          1        0.02        0.10
   1.30e+07 |          1        0.02        0.11
          . |      6,251       99.89      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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