Date	1 day	2 days	3-4 days	5-7 days
14 Apr.	91.8	4.6	2.2	1.4
15 Apr.	91.6	4.8	2.1	1.4
16 Apr.	91.7	4.8	2.2	1.3
17 Apr.	91.8	4.6	2.4	1.2
18 Apr.	91.9	4.6	2.3	1.2
19 Apr.	92	4.6	2.3	1.2
20 Apr.	92.1	4.5	2.2	1.3
21 Apr.	92.2	4.4	2.3	1.2
22 Apr.	92.1	4.5	2.2	1.2
23 Apr.	91.9	4.5	2.4	1.2
24 Apr.	91.9	4.4	2.4	1.2
25 Apr.	91.8	4.6	2.2	1.4
26 Apr.	91.6	4.7	2.2	1.5
27 Apr.	91.4	4.9	2.3	1.4
28 Apr.	91.5	4.9	2.2	1.4
29 Apr.	91.4	4.9	2.3	1.4
30 Apr.	91.7	4.6	2.3	1.4
1 May	91.8	4.5	2.3	1.3
2 May	92.1	4.4	2.2	1.3
3 May	92.4	4.2	2.1	1.3
4 May	92.4	4.4	2	1.3
5 May	92.4	4.4	2	1.2
6 May	92.5	4.2	2.1	1.2
7 May	92.3	4.3	2.2	1.2
8 May	92.2	4.5	2.1	1.2
9 May	92.1	4.6	2.1	1.2
10 May	92.3	4.4	2.1	1.2
11 May	92.5	4.1	2.2	1.2
12 May	92.4	4.1	2.1	1.3
13 May	92.4	4.1	2.2	1.3
14 May	92.3	4.3	2	1.3