Column titles:
[1] - Moscow
[2] - Krasnodar
[3] - Saint-Petersburg
Date          [1]      [2]      [3]
19 Apr.         0        0        0
20 Apr.         0        0        0
21 Apr.         0        0        0
22 Apr.         0        0        0
23 Apr.         0        0        0
24 Apr.         0        0        0
25 Apr.         0        0        0
26 Apr.         0        0        0
27 Apr.         0        0        0
28 Apr.         0        0        0
29 Apr.         0        0        0
30 Apr.         0        0        0
1 May           0        0        0
2 May           0        0        0
3 May           0        0        0
4 May           0        0        0
5 May           0        0        0
6 May           0        0        0
7 May           0        0        0
8 May           1        1        0
9 May           0        1        0
10 May          0        1        0
11 May          1        1        0
12 May          2        1        0
13 May          5        1        1
14 May          2        1        0
15 May          4        1        0
16 May          2        1        1
17 May          2        1        0
18 May          0        1        0
19 May          5        1        0