Frequencies for psi_6_iat_ptx_toofew variable in vwhqi_hosp_ahrq_state dataset :

PSI_6_IAT_P |
  TX_TOOFEW |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         21       37.50       37.50
          1 |         16       28.57       66.07
          2 |          7       12.50       78.57
          3 |          4        7.14       85.71
          4 |          1        1.79       87.50
          7 |          1        1.79       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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