Frequencies for a7_3_c7_1 variable in hosp_rollup2552_96_2006 dataset :

  a7_3_c7_1 |      Freq.     Percent        Cum.
------------+-----------------------------------
        503 |          1        0.02        0.02
       2725 |          1        0.02        0.03
       5636 |          1        0.02        0.05
       6515 |          1        0.02        0.06
       6535 |          1        0.02        0.08
      11282 |          1        0.02        0.10
      12916 |          1        0.02        0.11
      18471 |          1        0.02        0.13
      22438 |          1        0.02        0.15
      39046 |          1        0.02        0.16
      42918 |          1        0.02        0.18
      44578 |          1        0.02        0.19
      59314 |          1        0.02        0.21
      61668 |          1        0.02        0.23
      63416 |          1        0.02        0.24
      72696 |          1        0.02        0.26
     164558 |          1        0.02        0.27
     178981 |          1        0.02        0.29
     261272 |          1        0.02        0.31
     315054 |          1        0.02        0.32
     936396 |          1        0.02        0.34
    3062388 |          1        0.02        0.36
          . |      6,170       99.64      100.00
------------+-----------------------------------
      Total |      6,192      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018