Column titles:
[1] - Moscow
[2] - Novosibirsk
[3] - Tomsk
[4] - Saint-Petersburg
[5] - Samara
Date          [1]      [2]      [3]      [4]      [5]
17 Apr.        74       46       36       21       10
18 Apr.        98       57       50       11       16
19 Apr.       129       67       52       22       23
20 Apr.       131       66       48       17       13
21 Apr.       117       54       50       23       17
22 Apr.       101       62       53       22       21
23 Apr.       111       52       50       24       20
24 Apr.        94       45       40       14       17
25 Apr.        90       44       39       23       16
26 Apr.       126       59       62       17       22
27 Apr.       113       77       64       12       16
28 Apr.       109       78       55       21       30
29 Apr.        88       54       50       15       19
30 Apr.        83       72       46       23       13
1 May          61       38       38       33       14
2 May          76       36       40       28       15
3 May          75       48       41       25       15
4 May          99       65       50       31       12
5 May         104       40       53       15        9
6 May          99       66       46       12        8
7 May          83       54       42       15       10
8 May          98       49       47       15       16
9 May          87       47       51       19       10
10 May        108       58       35       15       17
11 May        124       74       51       38       31
12 May        110       72       52       16       13
13 May         96       76       66       24       13
14 May         98       67       50       14       17
15 May         80       50       41       18       16
16 May         81       41       51       23       12
17 May         87       77       57       29       18