Frequencies for psi_6_iat_ptx_toofewstr variable in vwhqi_hosp_ahrq_state datas

PSI_6_IAT_PTX |
      _TOOFEW |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |         31       55.36       55.36
            1 |         11       19.64       75.00
            2 |          4        7.14       82.14
            3 |          1        1.79       83.93
            4 |          2        3.57       87.50
            7 |          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