Frequencies for first 10,000 rows of prov1775 variable in pos1995 dataset :

      renal |
 transplant |
center date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,928       99.28       99.28
     760901 |          1        0.01       99.29
     770728 |          1        0.01       99.30
     770802 |          1        0.01       99.31
     770803 |          1        0.01       99.32
     770808 |          3        0.03       99.35
     770811 |          1        0.01       99.36
     770812 |          3        0.03       99.39
     770815 |          1        0.01       99.40
     770817 |          1        0.01       99.41
     770818 |          1        0.01       99.42
     770829 |          1        0.01       99.43
     770831 |          2        0.02       99.45
     770901 |          1        0.01       99.46
     801106 |          1        0.01       99.47
     820928 |          1        0.01       99.48
     821117 |          1        0.01       99.49
     830916 |          1        0.01       99.50
     840628 |          1        0.01       99.51
     860722 |          1        0.01       99.52
     860801 |          1        0.01       99.53
     870101 |          2        0.02       99.55
     870108 |          1        0.01       99.56
     870120 |          1        0.01       99.57
     870313 |          1        0.01       99.58
     880306 |          1        0.01       99.59
     880401 |          1        0.01       99.60
     880405 |          1        0.01       99.61
     881208 |          1        0.01       99.62
     890309 |          1        0.01       99.63
     891207 |          1        0.01       99.64
     900228 |          1        0.01       99.65
     900717 |          1        0.01       99.66
     900830 |          1        0.01       99.67
     901001 |          1        0.01       99.68
     901018 |          1        0.01       99.69
     910412 |          1        0.01       99.70
     910724 |          1        0.01       99.71
     910730 |          1        0.01       99.72
     910925 |          1        0.01       99.73
     911002 |          1        0.01       99.74
     911015 |          1        0.01       99.75
     911113 |          1        0.01       99.76
     911202 |          1        0.01       99.77
     920306 |          1        0.01       99.78
     920310 |          1        0.01       99.79
     920715 |          1        0.01       99.80
     921029 |          1        0.01       99.81
     921103 |          1        0.01       99.82
     930507 |          1        0.01       99.83
     930614 |          1        0.01       99.84
     930719 |          1        0.01       99.85
     930927 |          1        0.01       99.86
     931208 |          1        0.01       99.87
     931210 |          1        0.01       99.88
     940111 |          1        0.01       99.89
     940419 |          1        0.01       99.90
     940705 |          1        0.01       99.91
     941207 |          1        0.01       99.92
     941208 |          1        0.01       99.93
     950215 |          1        0.01       99.94
     950217 |          1        0.01       99.95
     950301 |          1        0.01       99.96
     950321 |          1        0.01       99.97
     950413 |          1        0.01       99.98
     950421 |          1        0.01       99.99
     950607 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016