Column titles:
[1] - corbina
[2] - tele2-ru
Date          [1]      [2]
12 May         50        0
13 May          0     33.3
14 May         50        0
15 May         50        0
16 May        100        0
17 May          0      100
18 May         50        0
19 May         50        0
20 May         50        0
21 May          0        0
22 May         50        0
23 May       66.7        0
24 May         50        0
25 May         50        0
26 May         50        0
27 May         25        0
28 May          0        0
29 May          0        0
30 May          0        0
31 May          0        0
1 Jun.          0        0
2 Jun.          0      100
3 Jun.          0      100
4 Jun.          0        0
5 Jun.          0       50
6 Jun.          0       50
7 Jun.          0        0
8 Jun.          0        0
9 Jun.          0        0
10 Jun.         0        0
11 Jun.         0        0
   total      692      433