Frequencies for first 10,000 rows of footnote variable in dbo_vwhqi_hosp_msr_xwlk dataset :

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,830       48.30       48.30
 1          |      1,589       15.89       64.19
 1,2        |        149        1.49       65.68
 1,2,3      |         26        0.26       65.94
 1,3        |        481        4.81       70.75
 1,3,4      |         13        0.13       70.88
 2          |        617        6.17       77.05
 2,3        |         10        0.10       77.15
 3          |        327        3.27       80.42
 3,4        |         14        0.14       80.56
 5          |      1,944       19.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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