Frequencies for psi_6_iat_ptx_toofewstr variable in vwhqi_hosp_ahrq_state dataset :

PSI_6_IAT_PTX |
      _TOOFEW |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |         26       46.43       46.43
            1 |         14       25.00       71.43
            2 |          7       12.50       83.93
            3 |          2        3.57       87.50
            6 |          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