Column titles:
[1] - Visitors during a day
[2] - New (or were not present during 31 days)
[3] - Main body (present every week during a month)
[4] - Frequent (present every week or during 3 months)
Date          [1]      [2]      [3]      [4]
20 Apr.         3        1        3        1
21 Apr.         5        2        3        1
22 Apr.         3        1        3        1
23 Apr.         3        2        3        1
24 Apr.         5        3        3        1
25 Apr.         8        4        3        1
26 Apr.         3        2        3        1
27 Apr.         3        1        3        1
28 Apr.         4        2        3        1
29 Apr.         3        1        3        1
30 Apr.         2        1        3        1
1 May           2        0        3        1
2 May           2        1        3        1
3 May           4        3        3        1
4 May           5        4        3        1
5 May           2        1        3        1
6 May           3        2        3        1
7 May           2        1        3        1
8 May           4        2        3        1
9 May           3        3        2        1
10 May          3        2        2        1
11 May          3        2        2        1
12 May          2        1        2        1
13 May          3        3        2        1
14 May          2        0        2        1
15 May          2        0        2        1
16 May          1        0        2        1
17 May          1        1        2        1
18 May          2        0        2        1
19 May          3        1        2        1
20 May          2        0        2        1