Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
6 Apr.	89	6.5	2.4	1.1	0.96
7 Apr.	89.2	6.4	2.4	1.1	0.98
8 Apr.	89.2	6.4	2.3	1	1
9 Apr.	89.3	6.4	2.3	1	0.98
10 Apr.	89.5	6.2	2.3	0.99	0.96
11 Apr.	89.5	6.3	2.3	0.97	0.96
12 Apr.	89.7	6.1	2.3	0.95	0.94
13 Apr.	89.9	6	2.2	0.97	0.91
14 Apr.	90	5.9	2.2	0.97	0.89
15 Apr.	90.1	5.8	2.2	0.96	0.89
16 Apr.	90.2	5.8	2.2	0.95	0.9
17 Apr.	90.4	5.7	2.1	0.95	0.89
18 Apr.	90.5	5.7	2	0.92	0.89
19 Apr.	90.6	5.5	2.1	0.91	0.87
20 Apr.	90.7	5.5	2.1	0.88	0.85
21 Apr.	90.6	5.6	2	0.9	0.84
22 Apr.	90.7	5.5	2.1	0.9	0.84
23 Apr.	90.7	5.5	2.1	0.86	0.86
24 Apr.	90.7	5.4	2.1	0.9	0.84
25 Apr.	90.6	5.4	2.2	0.88	0.86
26 Apr.	90.6	5.5	2.2	0.93	0.83
27 Apr.	90.5	5.6	2.1	0.92	0.81
28 Apr.	90.5	5.6	2.1	0.97	0.81
29 Apr.	90.3	5.7	2.1	0.97	0.83
30 Apr.	90.3	5.8	2.2	0.96	0.84
1 May	90.2	5.8	2.2	0.96	0.83
2 May	90.2	5.9	2.1	0.99	0.84
3 May	90.1	5.9	2.2	0.99	0.83
4 May	90.1	5.9	2.2	0.97	0.83
5 May	89.9	6	2.2	1	0.81
6 May	89.8	6.1	2.3	1	0.84