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

Notificatio |
     n Time |
 EMS-Minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        679        6.79        6.79
          1 |         15        0.15        6.94
          2 |         27        0.27        7.21
          3 |         15        0.15        7.36
          4 |         29        0.29        7.65
          5 |         36        0.36        8.01
          6 |         22        0.22        8.23
          7 |         24        0.24        8.47
          8 |         33        0.33        8.80
          9 |         15        0.15        8.95
         10 |         39        0.39        9.34
         11 |         18        0.18        9.52
         12 |         32        0.32        9.84
         13 |         17        0.17       10.01
         14 |         17        0.17       10.18
         15 |         35        0.35       10.53
         16 |         24        0.24       10.77
         17 |         22        0.22       10.99
         18 |         19        0.19       11.18
         19 |         21        0.21       11.39
         20 |         49        0.49       11.88
         21 |         23        0.23       12.11
         22 |         22        0.22       12.33
         23 |         20        0.20       12.53
         24 |         20        0.20       12.73
         25 |         39        0.39       13.12
         26 |         19        0.19       13.31
         27 |         19        0.19       13.50
         28 |         25        0.25       13.75
         29 |         22        0.22       13.97
         30 |         58        0.58       14.55
         31 |         18        0.18       14.73
         32 |         18        0.18       14.91
         33 |         21        0.21       15.12
         34 |         16        0.16       15.28
         35 |         36        0.36       15.64
         36 |         23        0.23       15.87
         37 |         24        0.24       16.11
         38 |         21        0.21       16.32
         39 |         24        0.24       16.56
         40 |         39        0.39       16.95
         41 |         18        0.18       17.13
         42 |         19        0.19       17.32
         43 |         19        0.19       17.51
         44 |         22        0.22       17.73
         45 |         32        0.32       18.05
         46 |         22        0.22       18.27
         47 |         22        0.22       18.49
         48 |         22        0.22       18.71
         49 |         14        0.14       18.85
         50 |         40        0.40       19.25
         51 |         24        0.24       19.49
         52 |         24        0.24       19.73
         53 |         22        0.22       19.95
         54 |         16        0.16       20.11
         55 |         42        0.42       20.53
         56 |         21        0.21       20.74
         57 |         25        0.25       20.99
         58 |         17        0.17       21.16
         59 |         16        0.16       21.32
         99 |      7,868       78.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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