Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
7 May	91	6.8	1.4	0.43	0.34
8 May	91	6.8	1.4	0.43	0.34
9 May	91.1	6.8	1.4	0.43	0.34
10 May	91.1	6.7	1.4	0.43	0.33
11 May	91.2	6.6	1.4	0.43	0.33
12 May	91.3	6.6	1.4	0.43	0.33
13 May	91.3	6.5	1.4	0.44	0.33
14 May	91.3	6.5	1.4	0.44	0.33
15 May	91.3	6.5	1.4	0.44	0.33
16 May	91.3	6.5	1.4	0.45	0.33
17 May	91.3	6.5	1.4	0.45	0.33
18 May	91.4	6.4	1.4	0.44	0.32
19 May	91.5	6.4	1.4	0.44	0.32
20 May	91.5	6.4	1.4	0.44	0.32
21 May	91.5	6.4	1.3	0.43	0.33
22 May	91.5	6.4	1.3	0.43	0.33
23 May	91.5	6.4	1.3	0.43	0.33
24 May	91.6	6.3	1.3	0.42	0.33
25 May	91.7	6.3	1.3	0.42	0.32
26 May	91.7	6.2	1.3	0.42	0.32
27 May	91.8	6.2	1.3	0.41	0.33
28 May	91.8	6.2	1.3	0.41	0.34
29 May	91.8	6.2	1.3	0.41	0.34
30 May	91.8	6.1	1.3	0.41	0.34
31 May	91.9	6.1	1.3	0.41	0.34
1 Jun.	91.9	6.1	1.3	0.41	0.34
2 Jun.	91.9	6.1	1.3	0.41	0.34
3 Jun.	91.9	6.1	1.3	0.41	0.35
4 Jun.	91.9	6.1	1.3	0.42	0.35
5 Jun.	91.9	6.1	1.3	0.42	0.35
6 Jun.	91.9	6.1	1.3	0.42	0.35