Frequencies for first 10,000 rows of a1cres variable in namcs2013 dataset :

 Most recent result for |
                  HbA1c |      Freq.     Percent        Cum.
------------------------+-----------------------------------
                  Blank |      6,414       64.14       64.14
                Unknown |          1        0.01       64.15
N/A, provider not asked |      2,741       27.41       91.56
                    3.7 |          1        0.01       91.57
                    4.3 |          1        0.01       91.58
                    4.4 |          2        0.02       91.60
                    4.5 |          6        0.06       91.66
                    4.6 |          4        0.04       91.70
                    4.7 |          8        0.08       91.78
                    4.8 |         13        0.13       91.91
                    4.9 |         16        0.16       92.07
                      5 |         12        0.12       92.19
                    5.1 |         20        0.20       92.39
                    5.2 |         29        0.29       92.68
                    5.3 |         40        0.40       93.08
                    5.4 |         35        0.35       93.43
                    5.5 |         39        0.39       93.82
                    5.6 |         52        0.52       94.34
                    5.7 |         36        0.36       94.70
                    5.8 |         42        0.42       95.12
                    5.9 |         31        0.31       95.43
                      6 |         30        0.30       95.73
                    6.1 |         33        0.33       96.06
                    6.2 |         27        0.27       96.33
                    6.3 |         27        0.27       96.60
                    6.4 |         24        0.24       96.84
                    6.5 |         19        0.19       97.03
                    6.6 |         19        0.19       97.22
                    6.7 |         18        0.18       97.40
                    6.8 |          9        0.09       97.49
                    6.9 |         19        0.19       97.68
                      7 |         11        0.11       97.79
                    7.1 |         20        0.20       97.99
                    7.2 |         12        0.12       98.11
                    7.3 |         12        0.12       98.23
                    7.4 |          7        0.07       98.30
                    7.5 |          8        0.08       98.38
                    7.6 |          9        0.09       98.47
                    7.7 |          4        0.04       98.51
                    7.8 |          9        0.09       98.60
                    7.9 |          7        0.07       98.67
                      8 |          6        0.06       98.73
                    8.1 |          5        0.05       98.78
                    8.2 |          9        0.09       98.87
                    8.3 |          6        0.06       98.93
                    8.4 |          5        0.05       98.98
                    8.5 |          2        0.02       99.00
                    8.6 |          1        0.01       99.01
                    8.7 |          2        0.02       99.03
                    8.8 |          5        0.05       99.08
                    8.9 |          2        0.02       99.10
                      9 |          4        0.04       99.14
                    9.1 |          2        0.02       99.16
                    9.2 |          1        0.01       99.17
                    9.3 |          4        0.04       99.21
                    9.4 |          5        0.05       99.26
                    9.5 |          4        0.04       99.30
                    9.6 |          3        0.03       99.33
                    9.7 |          1        0.01       99.34
                    9.8 |          2        0.02       99.36
                    9.9 |          6        0.06       99.42
                     10 |          2        0.02       99.44
                   10.1 |          3        0.03       99.47
                   10.2 |          2        0.02       99.49
                   10.3 |          3        0.03       99.52
                   10.4 |          3        0.03       99.55
                   10.5 |          4        0.04       99.59
                   10.6 |          1        0.01       99.60
                   10.7 |          1        0.01       99.61
                   10.8 |          1        0.01       99.62
                   11.2 |          2        0.02       99.64
                   11.4 |          1        0.01       99.65
                   11.5 |          3        0.03       99.68
                   11.6 |          4        0.04       99.72
                   11.7 |          2        0.02       99.74
                   11.8 |          3        0.03       99.77
                   11.9 |          3        0.03       99.80
                     12 |          2        0.02       99.82
                   12.1 |          2        0.02       99.84
                   12.2 |          1        0.01       99.85
                   12.3 |          2        0.02       99.87
                   12.4 |          1        0.01       99.88
                   12.5 |          1        0.01       99.89
                   12.6 |          1        0.01       99.90
                   12.9 |          4        0.04       99.94
                     13 |          1        0.01       99.95
                   13.3 |          1        0.01       99.96
                   13.4 |          1        0.01       99.97
                   13.5 |          1        0.01       99.98
                   13.9 |          1        0.01       99.99
                     14 |          1        0.01      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017