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]
20 Oct.      32.7      2.6     0.29        0        0
27 Oct.      32.9      2.9     0.57        0        0
3 Nov.         32        2     0.43     0.29        0
10 Nov.      27.1      2.4     0.71        0        0
17 Nov.      22.3      1.9     0.57        0        0
24 Nov.      18.4      1.6     0.57        0        0
1 Dec.         26        2     0.86     0.14        0
8 Dec.         21      2.4     0.43        0        0
15 Dec.      22.6      1.4     0.43        0        0
22 Dec.      23.1      1.7        0     0.14        0
29 Dec.      18.9      1.7     0.43        0        0
5 Jan.       14.3     0.71     0.14        0        0
12 Jan.      19.7      1.4        0     0.14        0
19 Jan.      56.1      2.1     0.43        0        0
26 Jan.      25.3      2.9     0.29        0        0
2 Feb.       23.1      2.3     0.14        0        0
9 Feb.       27.9      2.1     0.71        0        0
16 Feb.        25      1.9        1        0        0
23 Feb.      23.1      2.1     0.43        0        0
2 Mar.       26.9      1.9     0.29        0        0
9 Mar.       24.1      2.4        0        0        0
16 Mar.      37.1      1.9        0        0        0
23 Mar.      24.3      1.3     0.29        0        0
30 Mar.      23.7      2.1     0.43        0        0
6 Apr.         38      1.4     0.57        0        0
13 Apr.      44.9      1.9      1.3        0        0
20 Apr.      37.9      1.3     0.29        0        0
27 Apr.      39.4        1     0.43        0        0
4 May          22      1.7     0.57        0        0
11 May         22        1     0.29        0        0
12 May         19        1        0        0        0