Date	1 day	2 days	3-4 days	5-7 days
13 Oct.	91.2	5.3	2.2	1.3
20 Oct.	90.4	6	2.3	1.3
27 Oct.	90.3	6.1	2.3	1.2
3 Nov.	90.4	6	2.3	1.2
10 Nov.	90.4	6	2.4	1.2
17 Nov.	90.3	6.1	2.3	1.3
24 Nov.	90.3	6	2.3	1.3
1 Dec.	90.3	6	2.4	1.3
8 Dec.	90.4	5.9	2.3	1.3
15 Dec.	90.8	5.5	2.3	1.4
22 Dec.	91.1	5.3	2.2	1.4
29 Dec.	91.3	5.1	2.2	1.4
5 Jan.	91.6	5.1	2.1	1.3
12 Jan.	91.9	5	1.9	1.2
19 Jan.	91.6	5	2	1.3
26 Jan.	91.4	5.1	2.1	1.4
2 Feb.	91.5	5	2.1	1.4
9 Feb.	91.7	5	2	1.3
16 Feb.	91.5	5.1	2.1	1.3
23 Feb.	91.4	5.1	2.1	1.4
2 Mar.	91.4	5	2.1	1.4
9 Mar.	91.6	4.9	2.1	1.4
16 Mar.	91.8	4.9	2	1.3
23 Mar.	91.8	4.8	2	1.4
30 Mar.	91.8	4.8	2	1.4
6 Apr.	91.6	5	2	1.3
13 Apr.	91.6	5	2	1.3
20 Apr.	91.8	4.8	2	1.4
27 Apr.	91.5	4.9	2.2	1.4
4 May	91.8	4.8	2.1	1.3
6 May	92.4	4.5	1.9	1.1