Date	1 day	2 days	3-4 days	5-7 days
30 Apr.	92.3	3.8	0	3.8
1 May	92.9	3.6	3.6	0
2 May	96.3	0	3.7	0
3 May	96.3	0	3.7	0
4 May	96.8	0	3.2	0
5 May	97	0	3	0
6 May	96.8	0	0	3.2
7 May	96.8	0	3.2	0
8 May	96.6	0	0	3.4
9 May	96.3	0	0	3.7
10 May	92.3	3.8	3.8	0
11 May	93.3	0	6.7	0
12 May	92.6	3.7	3.7	0
13 May	96.2	0	3.8	0
14 May	93.8	6.2	0	0
15 May	93.9	6.1	0	0
16 May	93.8	6.2	0	0
17 May	97	3	0	0
18 May	89.3	10.7	0	0
19 May	90.3	3.2	6.5	0
20 May	90.3	0	9.7	0
21 May	88.5	0	7.7	3.8
22 May	89.3	3.6	3.6	3.6
23 May	89.7	0	6.9	3.4
24 May	91.4	0	5.7	2.9
25 May	91.9	0	5.4	2.7
26 May	91.4	0	2.9	5.7
27 May	92.1	2.6	5.3	0
28 May	92.3	2.6	5.1	0
29 May	91.9	5.4	2.7	0
30 May	91.4	5.7	2.9	0