Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
16 Apr.	90.7	7.1	1.4	0.43	0.34
17 Apr.	90.7	7.1	1.4	0.43	0.34
18 Apr.	90.7	7.1	1.4	0.43	0.34
19 Apr.	90.7	7.1	1.4	0.43	0.34
20 Apr.	90.8	7.1	1.4	0.43	0.34
21 Apr.	90.8	7.1	1.4	0.43	0.34
22 Apr.	90.7	7.2	1.4	0.43	0.34
23 Apr.	90.6	7.2	1.4	0.42	0.35
24 Apr.	90.6	7.2	1.4	0.42	0.35
25 Apr.	90.6	7.2	1.4	0.42	0.35
26 Apr.	90.6	7.2	1.4	0.42	0.35
27 Apr.	90.7	7.1	1.4	0.41	0.35
28 Apr.	90.7	7.1	1.4	0.42	0.35
29 Apr.	90.7	7.1	1.4	0.42	0.35
30 Apr.	90.7	7.1	1.4	0.42	0.35
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