Column titles:
[1] - Moscow
[2] - Saint-Petersburg
[3] - Chelyabinsk
[4] - Ulyanovsk
[5] - Undefined
Date          [1]      [2]      [3]      [4]      [5]
23 Apr.      52.8      8.1        0      1.6      1.6
24 Apr.      86.7        0     0.67      2.7        0
25 Apr.      57.6     22.5      9.7     0.85        0
26 Apr.      63.4        0        0      2.8      1.4
27 Apr.      35.7        0        0      5.7      1.4
28 Apr.      56.7      7.4     10.3     0.99        0
29 Apr.      68.8        0      3.8      1.4     0.35
30 Apr.      84.9     0.66        0        0        0
1 May        32.7        0        0        0        0
2 May          59        0        0        0      2.6
3 May        85.7      8.6        0        0        0
4 May        40.8        0      2.6        0        0
5 May        48.3        8     15.4        0      0.5
6 May        68.5      5.5      4.3        0     0.39
7 May        71.3      0.7     14.7        0        0
8 May        49.5        1        0        0        0
9 May        67.9      3.6        0        0      7.1
10 May       61.1        0        0        0        0
11 May       84.7        0        0        0        0
12 May       59.7        0     12.5     16.5      2.3
13 May         83      1.1      4.5        0     0.75
14 May       61.2      5.4        0        0     0.28
15 May       66.2      4.7        0        0     0.72
16 May       75.9      0.5        0        0      0.5
17 May       71.2     13.5        0        0      1.9
18 May       78.9        0        0        0      5.3
19 May       79.3        0     11.7        0      2.2
20 May       66.7        0      5.8        0      1.6
21 May       93.8     0.78        0        0      1.6
22 May         59        7      5.5        0      0.5
23 May       83.1        0     14.3        0        0