Frequencies for psi_national_scr variable in vwhqi_hosp_ahrq_national dataset :

PSI_NATIONA |
      L_SCR |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          2        4.44        4.44
         10 |          2        4.44        8.89
         40 |          2        4.44       13.33
         41 |          2        4.44       17.78
         42 |          2        4.44       22.22
         63 |          1        2.22       24.44
         77 |          2        4.44       28.89
         84 |          1        2.22       31.11
        110 |          1        2.22       33.33
        156 |          3        6.67       40.00
        215 |          1        2.22       42.22
        220 |          1        2.22       44.44
        229 |          1        2.22       46.67
        238 |          2        4.44       51.11
        370 |          2        4.44       55.56
        961 |          1        2.22       57.78
       1888 |          1        2.22       60.00
       2753 |          2        4.44       64.44
       2768 |          1        2.22       66.67
       3050 |          2        4.44       71.11
       3115 |          1        2.22       73.33
       3358 |          2        4.44       77.78
          . |         10       22.22      100.00
------------+-----------------------------------
      Total |         45      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016