Frequencies for psi_national_scrstr variable in vwhqi_hosp_ahrq_national dataset :

PSI_NATIONAL_ |
          SCR |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |          2        4.44        4.44
           10 |          2        4.44        8.89
          110 |          1        2.22       11.11
          156 |          3        6.67       17.78
         1888 |          1        2.22       20.00
          215 |          1        2.22       22.22
          220 |          1        2.22       24.44
          229 |          1        2.22       26.67
          238 |          2        4.44       31.11
         2753 |          2        4.44       35.56
         2768 |          1        2.22       37.78
         3050 |          2        4.44       42.22
         3115 |          1        2.22       44.44
         3358 |          2        4.44       48.89
          370 |          2        4.44       53.33
           40 |          2        4.44       57.78
           41 |          2        4.44       62.22
           42 |          2        4.44       66.67
           63 |          1        2.22       68.89
           77 |          2        4.44       73.33
           84 |          1        2.22       75.56
          961 |          1        2.22       77.78
Not Available |         10       22.22      100.00
--------------+-----------------------------------
        Total |         45      100.00

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