Column titles:
[1] - corbina
[2] - sibirtelecom
[3] - tattelecom
[4] - megafon
Date          [1]      [2]      [3]      [4]
19 Apr.         0        0        0     66.7
20 Apr.      33.3     33.3        0        0
21 Apr.        50       25        0        0
22 Apr.      33.3     33.3        0        0
23 Apr.         0      100        0        0
24 Apr.        25        0        0        0
25 Apr.        25       25        0        0
26 Apr.      33.3        0        0        0
27 Apr.      33.3     33.3        0        0
28 Apr.         0       50        0        0
29 Apr.        50       50        0        0
30 Apr.        50        0        0        0
1 May          50        0        0        0
2 May           0        0        0        0
3 May          25        0        0        0
4 May        33.3        0        0        0
5 May          50        0        0       50
6 May          50       50        0        0
7 May          50        0        0        0
8 May          25       25        0        0
9 May           0        0        0        0
10 May         50        0        0        0
11 May         50        0        0        0
12 May         50        0        0        0
13 May          0        0        0        0
14 May         50       50        0        0
15 May         50       50        0        0
16 May        100        0        0        0
17 May          0        0        0        0
18 May         50        0        0        0
19 May         50       50        0        0
   total     1067      575        0      117