Frequencies for first 10,000 rows of planid variable in rate2017 dataset :

       Plan ID |      Freq.     Percent        Cum.
---------------+-----------------------------------
21989AK0030001 |        138        1.38        1.38
21989AK0050001 |         92        0.92        2.30
21989AK0050002 |         92        0.92        3.22
21989AK0070001 |        138        1.38        4.60
21989AK0080001 |         12        0.12        4.72
21989AK0080002 |         12        0.12        4.84
21989AK0080003 |         12        0.12        4.96
21989AK0090001 |        552        5.52       10.48
21989AK0090002 |        552        5.52       16.00
21989AK0090003 |         12        0.12       16.12
21989AK0100001 |          8        0.08       16.20
21989AK0100002 |          8        0.08       16.28
21989AK0100003 |          8        0.08       16.36
21989AK0110001 |         12        0.12       16.48
21989AK0130001 |         12        0.12       16.60
21989AK0130002 |         12        0.12       16.72
21989AK0140001 |         12        0.12       16.84
21989AK0140002 |         12        0.12       16.96
21989AK0150001 |         12        0.12       17.08
21989AK0150002 |         12        0.12       17.20
21989AK0160001 |          8        0.08       17.28
21989AK0160002 |          8        0.08       17.36
38344AK0540003 |        138        1.38       18.74
38344AK0540006 |        138        1.38       20.12
38344AK0540008 |        138        1.38       21.50
38344AK0550001 |        138        1.38       22.88
38344AK0550002 |        138        1.38       24.26
38344AK0710003 |        552        5.52       29.78
38344AK0710006 |        552        5.52       35.30
45858AK0030001 |        138        1.38       36.68
45858AK0030002 |        138        1.38       38.06
45858AK0040001 |        138        1.38       39.44
45858AK0040002 |        138        1.38       40.82
73836AK0700001 |        368        3.68       44.50
73836AK0700002 |        184        1.84       46.34
73836AK0700003 |        184        1.84       48.18
73836AK0700004 |        184        1.84       50.02
73836AK0700005 |        184        1.84       51.86
73836AK0700006 |        368        3.68       55.54
73836AK0700007 |        214        2.14       57.68
73836AK0700008 |        184        1.84       59.52
73836AK0700009 |        184        1.84       61.36
73836AK0700010 |        184        1.84       63.20
73836AK0710002 |        184        1.84       65.04
73836AK0710003 |        184        1.84       66.88
73836AK0710004 |        184        1.84       68.72
73836AK0710006 |        184        1.84       70.56
73836AK0710007 |        184        1.84       72.40
73836AK0710008 |        184        1.84       74.24
73836AK0800001 |        184        1.84       76.08
73836AK0800002 |        184        1.84       77.92
73836AK0800003 |        184        1.84       79.76
73836AK0800004 |        184        1.84       81.60
73836AK0810001 |        184        1.84       83.44
73836AK0810002 |        184        1.84       85.28
73836AK0820001 |        184        1.84       87.12
73836AK0820002 |        184        1.84       88.96
73836AK0820003 |        184        1.84       90.80
73836AK0820004 |        184        1.84       92.64
73836AK0880001 |        184        1.84       94.48
73836AK0880002 |        184        1.84       96.32
73836AK0880003 |        184        1.84       98.16
73836AK0880004 |        184        1.84      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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