Frequencies for first 10,000 rows of auth_num variable in demo2015q3 dataset :

                       Authority Number |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      9,947       99.47       99.47
                                 063418 |          1        0.01       99.48
                       ADR 20558679-001 |          1        0.01       99.49
                      DE-BFARM-09133209 |          1        0.01       99.50
                      DE-BFARM-09168298 |          1        0.01       99.51
                   DK-DKMA-ADR 21911012 |          1        0.01       99.52
                   DK-DKMA-ADR 22074030 |          1        0.01       99.53
                   DK-DKMA-ADR 22161476 |          1        0.01       99.54
                   DK-DKMA-ADR 22188125 |          1        0.01       99.55
                   DK-DKMA-ADR 22217831 |          5        0.05       99.60
                   DK-DKMA-ADR 22251256 |          1        0.01       99.61
                        DK-DKMA-EFO2023 |          1        0.01       99.62
                        DK-DKMA-EFO2959 |          1        0.01       99.63
                        DK-DKMA-EFO6215 |          1        0.01       99.64
                        DK-DKMA-EFO6323 |          1        0.01       99.65
                        DK-DKMA-EFO6324 |          1        0.01       99.66
                        DK-DKMA-EFO6359 |          1        0.01       99.67
                        DK-DKMA-EFO7036 |          1        0.01       99.68
                        DK-DKMA-EFO7789 |          1        0.01       99.69
                    ES-AGEMED-708279236 |          1        0.01       99.70
                  FR-AFSSAPS-MA20122614 |          1        0.01       99.71
                  FR-AFSSAPS-MA20131364 |          1        0.01       99.72
                     FR-ANSM-LM20120055 |          1        0.01       99.73
                   GB-MHRA-ADR 20472477 |          1        0.01       99.74
                   GB-MHRA-ADR 20650063 |          2        0.02       99.76
                   GB-MHRA-ADR 21453021 |          1        0.01       99.77
                   GB-MHRA-ADR 21794931 |          1        0.01       99.78
                   GB-MHRA-ADR 21911749 |          4        0.04       99.82
                   GB-MHRA-EYC 00075784 |          1        0.01       99.83
                        GR-EOF-20110063 |          1        0.01       99.84
                    IT-MINISAL02-112155 |          1        0.01       99.85
                    IT-MINISAL02-118113 |          1        0.01       99.86
                    IT-MINISAL02-123462 |          1        0.01       99.87
                    IT-MINISAL02-210474 |          1        0.01       99.88
                    IT-MINISAL02-212330 |          1        0.01       99.89
                    IT-MINISAL02-212853 |          1        0.01       99.90
                    IT-MINISAL02-213283 |          1        0.01       99.91
                    IT-MINISAL02-215865 |          1        0.01       99.92
                    IT-MINISAL02-217916 |          1        0.01       99.93
                    IT-MINISAL02-221191 |          1        0.01       99.94
                    IT-MINISAL02-223935 |          1        0.01       99.95
                           NL-LRB-90749 |          1        0.01       99.96
                     NO-NYCOMED-0221718 |          2        0.02       99.98
                             NY20100868 |          1        0.01       99.99
 SE-MEDICAL PRODUCTS AGENCY-2013-000177 |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017