Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
1 May	90.8	7	1.4	0.42	0.35
2 May	90.8	7	1.4	0.42	0.35
3 May	90.8	7	1.4	0.42	0.34
4 May	90.9	6.9	1.4	0.42	0.34
5 May	90.9	6.9	1.4	0.42	0.34
6 May	90.9	6.9	1.4	0.42	0.34
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