Frequencies for first 10,000 rows of explanation variable in bencs2015 dataset :

                    Benefit Explanation |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,126       81.26       81.26
   $0 copayment for the first 3 visits. |         52        0.52       81.78
$0 preventive and $4 generics for cer.. |         94        0.94       82.72
               Benefit is 1 per 5 years |         10        0.10       82.82
Certain drugs are available for a low.. |         94        0.94       83.76
Combined with Outpatient Rehabilitati.. |        240        2.40       86.16
Combined with Outpatient Rehabilitati.. |         42        0.42       86.58
                            Family Plan |         32        0.32       86.90
Higher cost share after first visit t.. |         22        0.22       87.12
Includes Physical Therapy, Speech The.. |         80        0.80       87.92
Includes Physical Therapy, Speech The.. |         14        0.14       88.06
Medical Necessity, 24 month waiting p.. |          8        0.08       88.14
Medically Necessary only; 24 month wait |         24        0.24       88.38
One splint in a six month period unle.. |         80        0.80       89.18
One splint in a six month period unle.. |         14        0.14       89.32
Only allowed as a result of congenita.. |          2        0.02       89.34
             Only covered for diabetes. |        160        1.60       90.94
Only covered for diabetes.  Additiona.. |         14        0.14       91.08
Only covered for diabetes. Additional.. |         14        0.14       91.22
Optional Buy-up.  Family Plan, 24 mon.. |          2        0.02       91.24
Optional Buy-up.  Family Plan, 24 mon.. |          6        0.06       91.30
Optional.  Family Plan - Active and P.. |          2        0.02       91.32
Optional.  Family Plan - Active and P.. |          6        0.06       91.38
Panoramic and Complete Series X-Rays .. |          2        0.02       91.40
Patient charges listed are average co.. |         52        0.52       91.92
Preventive colonoscopy (age 50+) 1 ev.. |         94        0.94       92.86
Quantitative limit units apply, see E.. |         94        0.94       93.80
See plan brochure for plan details an.. |          8        0.08       93.88
The amount displayed is per day up to.. |        112        1.12       95.00
The amount displayed is per day up to.. |         14        0.14       95.14
Your plan may include $0 copayment fo.. |         14        0.14       95.28
Your plan may require a copay prior t.. |        448        4.48       99.76
limit of service varies based upon pr.. |         24        0.24      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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