Date	from 15 to 30 minutes	from 30 minutes to 1 hour	from 1 to 3 hours	from 3 to 12 hours	from 12 to 24 hours	from 1 to 3 days	from 3 to 7 days	from 7 to 14 days	from 14 to 31 days
7 Apr.	0	40	0	0	0	20	40	0	0
8 Apr.	28.6	14.3	14.3	14.3	28.6	0	0	0	0
9 Apr.	0	0	14.3	42.9	28.6	14.3	0	0	0
10 Apr.	8.3	0	16.7	33.3	8.3	8.3	0	8.3	16.7
11 Apr.	0	0	0	0	75	25	0	0	0
12 Apr.	0	0	0	50	50	0	0	0	0
13 Apr.	11.1	0	11.1	0	22.2	11.1	22.2	11.1	11.1
14 Apr.	0	0	0	57.1	28.6	14.3	0	0	0
15 Apr.	0	20	0	0	40	0	20	20	0
16 Apr.	0	0	20	0	80	0	0	0	0
17 Apr.	0	0	0	33.3	33.3	33.3	0	0	0
18 Apr.	20	0	0	0	80	0	0	0	0
19 Apr.	100	0	0	0	0	0	0	0	0
20 Apr.	0	33.3	33.3	33.3	0	0	0	0	0
21 Apr.	0	0	33.3	0	16.7	33.3	0	16.7	0
22 Apr.	0	0	0	50	25	0	12.5	0	12.5
23 Apr.	20	0	0	0	60	0	0	20	0
24 Apr.	0	16.7	16.7	0	50	16.7	0	0	0
25 Apr.	25	0	25	0	25	25	0	0	0
26 Apr.	0	0	25	25	0	25	0	25	0
27 Apr.	0	12.5	0	12.5	62.5	0	0	0	12.5
28 Apr.	16.7	16.7	33.3	0	16.7	0	16.7	0	0
29 Apr.	0	0	0	0	0	0	0	100	0
30 Apr.	0	0	0	40	20	20	0	0	20
1 May	50	0	0	0	50	0	0	0	0
2 May	0	0	0	50	0	0	50	0	0
3 May	7.7	30.8	30.8	0	7.7	23.1	0	0	0
4 May	28.6	0	0	0	28.6	28.6	0	0	14.3
5 May	11.8	17.6	17.6	11.8	17.6	17.6	0	5.9	0
6 May	0	0	20	40	40	0	0	0	0
7 May	20	0	0	20	0	40	20	0	0