Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
19 Apr.	87.5	6.9	1.4	0	4.2
20 Apr.	86.4	7.6	1.5	0	4.5
21 Apr.	86.2	7.7	1.5	0	4.6
22 Apr.	86.2	9.2	0	0	4.6
23 Apr.	86.2	9.2	0	0	4.6
24 Apr.	87.9	7.6	0	0	4.5
25 Apr.	87.9	7.6	0	0	4.5
26 Apr.	87.9	7.6	0	1.5	3
27 Apr.	87.7	7.7	0	1.5	3.1
28 Apr.	89.4	6.1	0	1.5	3
29 Apr.	89.6	6	0	1.5	3
30 Apr.	89.6	6	0	1.5	3
1 May	89.2	4.6	1.5	1.5	3.1
2 May	89.2	4.6	1.5	1.5	3.1
3 May	89.4	4.5	1.5	1.5	3
4 May	90	4.3	1.4	1.4	2.9
5 May	89.9	5.8	0	1.4	2.9
6 May	90	5.7	0	1.4	2.9
7 May	91.4	4.3	0	1.4	2.9
8 May	91.4	4.3	0	1.4	2.9
9 May	91.3	4.3	1.4	0	2.9
10 May	91.4	4.3	1.4	1.4	1.4
11 May	91.2	4.4	1.5	1.5	1.5
12 May	90.5	4.8	1.6	1.6	1.6
13 May	90.5	4.8	1.6	1.6	1.6
14 May	90.3	4.8	1.6	1.6	1.6
15 May	89.8	5.1	1.7	0	3.4
16 May	89.7	5.2	1.7	1.7	1.7
17 May	89.8	5.1	1.7	1.7	1.7
18 May	89.7	5.2	1.7	1.7	1.7
19 May	92.9	1.8	1.8	1.8	1.8