Column titles:
[1] - 1 session
[2] - 2 sessions
[3] - from 3 to 5 sessions
[4] - from 6 to 10 sessions
[5] - more than 10 sessions
Date          [1]      [2]      [3]      [4]      [5]
10 Nov.         2        0        0        0        0
17 Nov.       3.7     0.14        0        0        0
24 Nov.       2.3        0        0        0        0
1 Dec.        3.1        0        0        0        0
8 Dec.        1.7        0        0        0        0
15 Dec.       3.9        0        0        0        0
22 Dec.         2     0.14        0        0        0
29 Dec.       3.7     0.14        0        0        0
5 Jan.          2     0.29        0        0        0
12 Jan.       2.6        0        0        0        0
19 Jan.       4.7     0.57     0.29        0        0
26 Jan.       4.1     0.29        0        0        0
2 Feb.        9.1     0.29        0        0        0
9 Feb.        3.3        0        0        0        0
16 Feb.         5     0.14        0        0        0
23 Feb.         3     0.14        0        0        0
2 Mar.        3.3        0        0        0        0
9 Mar.        3.1        0        0        0        0
16 Mar.       5.7        0        0        0        0
23 Mar.         4     0.14        0        0        0
30 Mar.       4.3     0.43     0.57        0        0
6 Apr.        4.1     0.14        0        0        0
13 Apr.       3.9     0.29        0        0        0
20 Apr.       3.6     0.14        0        0        0
27 Apr.         5     0.43        0        0        0
4 May         4.9        0        0        0        0
11 May        4.9        0        0        0        0
18 May          4     0.29        0     0.14        0
25 May          6     0.14     0.29        0        0
1 Jun.          5     0.14        0        0        0
6 Jun.        4.4        0        0        0        0