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

Notificatio |
     n Time |
 EMS-Minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        881        8.81        8.81
          1 |         23        0.23        9.04
          2 |         19        0.19        9.23
          3 |         22        0.22        9.45
          4 |         15        0.15        9.60
          5 |         50        0.50       10.10
          6 |         39        0.39       10.49
          7 |         21        0.21       10.70
          8 |         29        0.29       10.99
          9 |         25        0.25       11.24
         10 |         51        0.51       11.75
         11 |         24        0.24       11.99
         12 |         20        0.20       12.19
         13 |         29        0.29       12.48
         14 |         20        0.20       12.68
         15 |         58        0.58       13.26
         16 |         24        0.24       13.50
         17 |         19        0.19       13.69
         18 |         31        0.31       14.00
         19 |         21        0.21       14.21
         20 |         62        0.62       14.83
         21 |         29        0.29       15.12
         22 |         14        0.14       15.26
         23 |         14        0.14       15.40
         24 |         28        0.28       15.68
         25 |         48        0.48       16.16
         26 |         23        0.23       16.39
         27 |         16        0.16       16.55
         28 |         30        0.30       16.85
         29 |         17        0.17       17.02
         30 |         61        0.61       17.63
         31 |         30        0.30       17.93
         32 |         34        0.34       18.27
         33 |         20        0.20       18.47
         34 |         24        0.24       18.71
         35 |         49        0.49       19.20
         36 |         22        0.22       19.42
         37 |         22        0.22       19.64
         38 |         25        0.25       19.89
         39 |         22        0.22       20.11
         40 |         40        0.40       20.51
         41 |         19        0.19       20.70
         42 |         23        0.23       20.93
         43 |         16        0.16       21.09
         44 |         15        0.15       21.24
         45 |         41        0.41       21.65
         46 |         34        0.34       21.99
         47 |         27        0.27       22.26
         48 |         34        0.34       22.60
         49 |         13        0.13       22.73
         50 |         46        0.46       23.19
         51 |         20        0.20       23.39
         52 |         25        0.25       23.64
         53 |         26        0.26       23.90
         54 |         20        0.20       24.10
         55 |         39        0.39       24.49
         56 |         22        0.22       24.71
         57 |         15        0.15       24.86
         58 |         19        0.19       25.05
         59 |         14        0.14       25.19
         99 |      7,481       74.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016