Frequencies for psi_15_acc_lac_betterstr variable in vwhqi_hosp_ahrq_state dataset :

PSI_15_ACC_LA |
     C_BETTER |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |         16       28.57       28.57
            1 |         12       21.43       50.00
           10 |          2        3.57       53.57
           12 |          1        1.79       55.36
           14 |          1        1.79       57.14
           18 |          1        1.79       58.93
            2 |          6       10.71       69.64
           20 |          1        1.79       71.43
            3 |          5        8.93       80.36
            4 |          1        1.79       82.14
            6 |          2        3.57       85.71
            7 |          1        1.79       87.50
            9 |          1        1.79       89.29
Not Available |          6       10.71      100.00
--------------+-----------------------------------
        Total |         56      100.00

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