Column titles:
[1] - lo.ners.ru
[2] - apipost.ru
[3] - mail.ru
[4] - extra-m.ru
[5] - leningradskaya-oblast.extra-m.ru
Date          [1]      [2]      [3]      [4]      [5]
27 Apr.         1        0        0        1        0
28 Apr.         0        1        0        0        0
29 Apr.         1        1        0        0        0
30 Apr.         0        0        0        0        0
1 May           1        0        0        0        0
2 May           0        0        0        0        0
3 May           1        1        0        0        0
4 May           0        0        0        0        0
5 May           2        1        0        0        0
6 May           0        0        0        0        0
7 May           1        1        0        0        0
8 May           1        1        0        0        0
9 May           0        0        0        0        0
10 May          1        0        0        0        0
11 May          1        1        0        0        0
12 May          1        1        0        0        0
13 May          0        1        0        0        0
14 May          1        0        0        1        0
15 May          1        2        0        0        0
16 May          1        1        0        0        0
17 May          1        0        0        0        0
18 May          0        0        0        1        0
19 May          1        0        1        0        0
20 May          1        1        0        0        1
21 May          1        0        0        0        0
22 May          1        1        0        0        0
23 May          1        0        0        0        0
24 May          1        1        1        0        0
25 May          0        0        0        0        0
26 May          0        0        0        0        0
27 May          1        0        0        0        0
   total       22       15        2        3        1