Frequencies for a_c6_100 variable in prds_hosp10_yr2011 dataset :

   a_c6_100 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -766312 |          1        0.02        0.02
    -595248 |          1        0.02        0.03
    -358439 |          1        0.02        0.05
    -253208 |          1        0.02        0.07
    -234671 |          1        0.02        0.08
    -227343 |          1        0.02        0.10
    -183931 |          1        0.02        0.11
    -141561 |          1        0.02        0.13
    -117338 |          1        0.02        0.15
    -103486 |          1        0.02        0.16
     -78498 |          1        0.02        0.18
     -73190 |          1        0.02        0.20
     -71986 |          1        0.02        0.21
     -68948 |          1        0.02        0.23
     -41626 |          1        0.02        0.24
         -4 |          1        0.02        0.26
      74250 |          1        0.02        0.28
     103486 |          1        0.02        0.29
     120962 |          1        0.02        0.31
     215734 |          1        0.02        0.33
     478537 |          1        0.02        0.34
          . |      6,129       99.66      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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