Frequencies for first 10,000 rows of firsttierutilization variable in plan2015 dataset :

 First Tier |
Utilization |      Freq.     Percent        Cum.
------------+-----------------------------------
       100% |      9,527       95.27       95.27
        25% |         54        0.54       95.81
        45% |          8        0.08       95.89
        50% |         37        0.37       96.26
        53% |          3        0.03       96.29
        55% |         22        0.22       96.51
        56% |          2        0.02       96.53
        60% |         15        0.15       96.68
        70% |         81        0.81       97.49
        71% |          4        0.04       97.53
        73% |          7        0.07       97.60
        75% |         44        0.44       98.04
        80% |         71        0.71       98.75
        85% |         46        0.46       99.21
        90% |         60        0.60       99.81
        95% |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017