Frequencies for first 10,000 rows of secondtierutilization variable in plan2017 dataset :

Second Tier |
Utilization |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,466       74.66       74.66
        15% |         34        0.34       75.00
        20% |         11        0.11       75.11
        25% |          1        0.01       75.12
         3% |        281        2.81       77.93
        33% |         96        0.96       78.89
        34% |         69        0.69       79.58
        35% |          8        0.08       79.66
        37% |        342        3.42       83.08
        38% |          2        0.02       83.10
        40% |      1,419       14.19       97.29
        43% |          6        0.06       97.35
        45% |         11        0.11       97.46
        48% |         18        0.18       97.64
        49% |         58        0.58       98.22
         5% |         15        0.15       98.37
        50% |         36        0.36       98.73
        53% |          6        0.06       98.79
        60% |         78        0.78       99.57
        75% |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017