Date	1 day	2-3 days	4-7 days	8-14 days	15-31 days
17 Apr.	52	3	2	1	0
18 Apr.	51	3	2	1	0
19 Apr.	50	3	2	1	0
20 Apr.	48	3	2	1	0
21 Apr.	49	3	2	1	0
22 Apr.	48	3	2	0	1
23 Apr.	51	3	2	0	1
24 Apr.	52	3	2	0	1
25 Apr.	56	2	2	0	1
26 Apr.	53	2	2	0	1
27 Apr.	52	3	1	0	1
28 Apr.	51	3	1	0	1
29 Apr.	52	2	1	0	1
30 Apr.	53	3	1	0	1
1 May	52	3	1	0	1
2 May	53	4	1	0	1
3 May	52	4	1	0	1
4 May	51	4	1	0	1
5 May	54	4	1	0	1
6 May	55	4	1	0	1
7 May	56	4	1	0	1
8 May	58	4	1	0	1
9 May	56	7	0	0	1
10 May	59	5	1	0	1
11 May	58	5	1	0	1
12 May	59	4	2	0	1
13 May	57	4	2	0	1
14 May	57	4	2	0	1
15 May	58	2	2	0	1
16 May	60	2	2	0	1
17 May	64	2	2	0	1