Column titles:
[1] - from 15 to 30 minutes
[2] - from 30 minutes to 1 hour
[3] - from 1 to 3 hours
[4] - from 3 to 12 hours
[5] - from 12 to 24 hours
[6] - from 1 to 3 days
[7] - from 3 to 7 days
[8] - from 7 to 14 days
[9] - from 14 to 31 days
Date          [1]      [2]      [3]      [4]      [5]      [6]      [7]      [8]      [9]
26 Mar.         0        0        0        0        2        0        1        1        1
27 Mar.         0        0        0        0        2        1        0        0        0
28 Mar.         0        0        0        0        0        0        1        1        0
29 Mar.         0        0        0        0        1        0        3        0        0
30 Mar.         0        0        0        0        0        0        0        0        0
31 Mar.         0        0        0        0        0        1        3        0        0
1 Apr.          0        0        0        0        0        1        2        0        0
2 Apr.          0        0        0        0        0        2        1        0        0
3 Apr.          0        0        0        0        0        1        0        0        0
4 Apr.          0        0        0        0        0        2        0        0        0
5 Apr.          0        0        0        0        0        0        1        0        0
6 Apr.          0        0        0        0        0        1        1        0        0
7 Apr.          0        0        0        0        0        0        1        0        0
8 Apr.          0        0        0        0        0        1        1        0        0
9 Apr.          0        0        0        0        0        1        1        1        1
10 Apr.         0        0        0        0        1        0        1        0        0
11 Apr.         0        0        0        0        0        0        0        1        0
12 Apr.         0        0        0        0        0        1        0        0        0
13 Apr.         0        0        0        0        0        2        2        0        1
14 Apr.         0        0        0        0        1        0        2        0        0
15 Apr.         0        0        0        0        0        1        1        0        0
16 Apr.         0        0        0        0        1        2        0        0        0
17 Apr.         0        0        0        0        0        3        2        1        0
18 Apr.         0        0        0        0        0        0        1        0        0
19 Apr.         0        0        0        0        0        1        1        0        0
20 Apr.         0        0        0        0        1        1        1        0        0
21 Apr.         0        0        0        0        0        3        0        0        0
22 Apr.         0        0        0        0        0        0        1        1        0
23 Apr.         0        0        0        0        0        3        0        0        1
24 Apr.         0        0        0        0        1        0        1        1        1
25 Apr.         0        0        0        0        1        2        0        2        0