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

Notificatio |
     n Time |
 EMS-Minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        955        9.55        9.55
          1 |         25        0.25        9.80
          2 |         22        0.22       10.02
          3 |         27        0.27       10.29
          4 |         20        0.20       10.49
          5 |         38        0.38       10.87
          6 |         25        0.25       11.12
          7 |         22        0.22       11.34
          8 |         26        0.26       11.60
          9 |         17        0.17       11.77
         10 |         34        0.34       12.11
         11 |         18        0.18       12.29
         12 |         18        0.18       12.47
         13 |         18        0.18       12.65
         14 |         19        0.19       12.84
         15 |         34        0.34       13.18
         16 |         17        0.17       13.35
         17 |         19        0.19       13.54
         18 |         18        0.18       13.72
         19 |         24        0.24       13.96
         20 |         48        0.48       14.44
         21 |         16        0.16       14.60
         22 |         26        0.26       14.86
         23 |         23        0.23       15.09
         24 |         15        0.15       15.24
         25 |         44        0.44       15.68
         26 |         15        0.15       15.83
         27 |         17        0.17       16.00
         28 |         23        0.23       16.23
         29 |         13        0.13       16.36
         30 |         55        0.55       16.91
         31 |         21        0.21       17.12
         32 |         24        0.24       17.36
         33 |         19        0.19       17.55
         34 |         16        0.16       17.71
         35 |         24        0.24       17.95
         36 |         20        0.20       18.15
         37 |         25        0.25       18.40
         38 |         19        0.19       18.59
         39 |         16        0.16       18.75
         40 |         52        0.52       19.27
         41 |         20        0.20       19.47
         42 |         16        0.16       19.63
         43 |         25        0.25       19.88
         44 |         14        0.14       20.02
         45 |         34        0.34       20.36
         46 |         20        0.20       20.56
         47 |         15        0.15       20.71
         48 |         19        0.19       20.90
         49 |         19        0.19       21.09
         50 |         32        0.32       21.41
         51 |         18        0.18       21.59
         52 |         23        0.23       21.82
         53 |         15        0.15       21.97
         54 |         16        0.16       22.13
         55 |         36        0.36       22.49
         56 |         22        0.22       22.71
         57 |         15        0.15       22.86
         58 |         27        0.27       23.13
         59 |         12        0.12       23.25
         99 |      7,675       76.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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