Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
29 Apr.	93.2	4.7	1.3	0.5	0.41
30 Apr.	93.1	4.7	1.2	0.5	0.4
1 May	93.1	4.8	1.2	0.49	0.4
2 May	93.1	4.8	1.2	0.5	0.39
3 May	93.2	4.7	1.2	0.5	0.39
4 May	93.2	4.7	1.2	0.51	0.39
5 May	93.2	4.7	1.2	0.53	0.38
6 May	93.2	4.7	1.2	0.53	0.38
7 May	93.1	4.7	1.2	0.54	0.38
8 May	93.1	4.8	1.2	0.55	0.38
9 May	93.1	4.8	1.2	0.54	0.38
10 May	93.1	4.8	1.3	0.52	0.38
11 May	93.1	4.7	1.3	0.53	0.37
12 May	93.1	4.7	1.3	0.52	0.37
13 May	93.1	4.7	1.3	0.52	0.36
14 May	93.1	4.7	1.3	0.51	0.37
15 May	93.1	4.7	1.4	0.5	0.37
16 May	93	4.7	1.3	0.5	0.37
17 May	93.1	4.7	1.4	0.51	0.35
18 May	93.1	4.7	1.3	0.53	0.35
19 May	93.1	4.7	1.3	0.52	0.35
20 May	93.1	4.7	1.3	0.51	0.35
21 May	93	4.7	1.4	0.52	0.35
22 May	93.1	4.7	1.3	0.52	0.35
23 May	93.1	4.7	1.4	0.51	0.35
24 May	93.1	4.7	1.3	0.51	0.35
25 May	93.1	4.7	1.3	0.49	0.35
26 May	93.1	4.7	1.3	0.5	0.35
27 May	93.1	4.7	1.3	0.5	0.35
28 May	93.1	4.7	1.3	0.5	0.35
29 May	93.1	4.7	1.4	0.49	0.35