Date	1 session	2 sessions	from 3 to 5 sessions	from 6 to 10 sessions	more than 10 sessions
28 Apr.	86.7	6.8	4.3	1.5	0.63
29 Apr.	87	6.7	4.2	1.5	0.56
30 Apr.	87.2	6.6	4.2	1.5	0.53
1 May	89	5.8	3.7	1.1	0.42
2 May	88.7	5.9	3.7	1.2	0.48
3 May	89	5.7	3.6	1.2	0.45
4 May	88.3	6.2	3.7	1.2	0.48
5 May	87.2	6.5	4.3	1.5	0.57
6 May	87.4	6.2	4.3	1.5	0.56
7 May	87.2	6.4	4.4	1.5	0.57
8 May	88.1	6.2	4	1.3	0.52
9 May	88	6.2	3.9	1.4	0.5
10 May	88.6	6	3.8	1.2	0.47
11 May	88.6	5.9	3.8	1.2	0.51
12 May	87.2	6.4	4.4	1.5	0.55
13 May	87.3	6.4	4.2	1.5	0.58
14 May	87.1	6.5	4.3	1.5	0.58
15 May	87	6.4	4.3	1.6	0.58
16 May	87.2	6.4	4.3	1.5	0.54
17 May	88.8	5.9	3.6	1.2	0.43
18 May	89.1	5.7	3.6	1.2	0.46
19 May	87.2	6.4	4.2	1.5	0.59
20 May	87.1	6.5	4.3	1.5	0.58
21 May	85.9	7	4.8	1.7	0.63
22 May	86.1	7	4.6	1.7	0.66
23 May	86.7	6.6	4.6	1.5	0.55
24 May	88.7	5.9	3.7	1.2	0.45
25 May	88.5	6	3.7	1.3	0.47
26 May	87	6.5	4.4	1.6	0.56
27 May	87.1	6.5	4.3	1.5	0.59
28 May	86.6	6.7	4.6	1.5	0.6