Frequencies for first 10,000 rows of not_min variable in accident dataset :

Notificatio |
     n Time |
 EMS-Minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        573        5.73        5.73
          1 |         75        0.75        6.48
          2 |         89        0.89        7.37
          3 |         67        0.67        8.04
          4 |         61        0.61        8.65
          5 |         98        0.98        9.63
          6 |         62        0.62       10.25
          7 |         64        0.64       10.89
          8 |         65        0.65       11.54
          9 |         61        0.61       12.15
         10 |        124        1.24       13.39
         11 |         67        0.67       14.06
         12 |         55        0.55       14.61
         13 |         60        0.60       15.21
         14 |         65        0.65       15.86
         15 |        115        1.15       17.01
         16 |         65        0.65       17.66
         17 |         87        0.87       18.53
         18 |         87        0.87       19.40
         19 |         68        0.68       20.08
         20 |        124        1.24       21.32
         21 |         84        0.84       22.16
         22 |         56        0.56       22.72
         23 |         71        0.71       23.43
         24 |         66        0.66       24.09
         25 |         95        0.95       25.04
         26 |         64        0.64       25.68
         27 |         53        0.53       26.21
         28 |         74        0.74       26.95
         29 |         60        0.60       27.55
         30 |        105        1.05       28.60
         31 |         58        0.58       29.18
         32 |         77        0.77       29.95
         33 |         66        0.66       30.61
         34 |         73        0.73       31.34
         35 |         84        0.84       32.18
         36 |         68        0.68       32.86
         37 |         72        0.72       33.58
         38 |         79        0.79       34.37
         39 |         61        0.61       34.98
         40 |        101        1.01       35.99
         41 |         65        0.65       36.64
         42 |         53        0.53       37.17
         43 |         52        0.52       37.69
         44 |         65        0.65       38.34
         45 |        134        1.34       39.68
         46 |         66        0.66       40.34
         47 |         74        0.74       41.08
         48 |         69        0.69       41.77
         49 |         58        0.58       42.35
         50 |        117        1.17       43.52
         51 |         78        0.78       44.30
         52 |         63        0.63       44.93
         53 |         65        0.65       45.58
         54 |         69        0.69       46.27
         55 |        101        1.01       47.28
         56 |         78        0.78       48.06
         57 |         69        0.69       48.75
         58 |         63        0.63       49.38
         59 |         62        0.62       50.00
         99 |      5,000       50.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016