Date	1 day	2 days	3-4 days	5-7 days
16 Apr.	86.2	9.2	2.7	2
17 Apr.	87.4	7.2	3.2	2.2
18 Apr.	85.4	8.9	3.7	1.9
19 Apr.	86.4	8	3.3	2.3
20 Apr.	86.6	7.6	3.2	2.6
21 Apr.	87.8	6	3.5	2.7
22 Apr.	87.2	6.2	4.2	2.4
23 Apr.	87	6.3	4.2	2.6
24 Apr.	86.2	8	3.3	2.5
25 Apr.	86.5	7.1	2.9	3.5
26 Apr.	86.6	7.3	2.8	3.2
27 Apr.	86.8	7.2	3	3
28 Apr.	87.5	6.5	3.8	2.2
29 Apr.	86.7	7.5	3.5	2.3
30 Apr.	87.2	7.7	2.6	2.6
1 May	89.2	5.2	3.7	1.9
2 May	88.2	5.7	4.2	2
3 May	86.1	8	3.5	2.4
4 May	88.2	6.1	3.2	2.5
5 May	89.1	5.8	2.5	2.5
6 May	87.7	7.6	2.2	2.5
7 May	85.9	8.5	3.1	2.5
8 May	86.4	7	4.5	2
9 May	86.4	6.7	4.8	2.2
10 May	86.3	6.6	4.7	2.4
11 May	86.1	6.7	4.7	2.5
12 May	86.6	7.6	3.2	2.7
13 May	87.4	6.9	2.9	2.9
14 May	85.7	8.1	3.2	3
15 May	85.6	7.5	4.3	2.6
16 May	86.1	6.8	3.9	3.2