Date          [1]      [2]      [3]      [4]      [5]
1 May        83.2      3.9      1.7      1.7      1.5
2 May          83      4.5      1.7      1.6      1.5
3 May        83.8      4.1      1.7      1.5      1.4
4 May        83.4        4      1.8      1.6      1.4
5 May        81.8      4.8      1.7      1.7      1.6
6 May        82.4      4.8      1.8      1.6      1.5
7 May        82.4      4.9      1.7      1.5      1.4
8 May        82.7      4.4      1.6      1.6      1.4
9 May        83.2        4      1.7      1.7      1.5
10 May       82.7      4.7      1.6      1.8      1.3
11 May       84.2      3.9      1.6      1.6      1.3
12 May       84.3      3.8      1.6      1.5      1.3
13 May       85.4      3.3      1.6      1.5      1.2
14 May       83.9      3.9      1.7      1.6      1.3
15 May       83.4      4.2      1.9      1.6      1.3
16 May       83.1      4.1      1.8      1.6      1.4
17 May       82.2      4.6      1.8      1.8      1.5
18 May       80.5        5      1.9        2      1.6
19 May       80.9      4.5        2      1.9      1.7
20 May       82.4      4.5      1.7      1.8      1.5
21 May       83.4      4.3      1.7      1.6      1.4
22 May       82.7      4.5      1.7      1.7      1.4
23 May         83      4.4      1.8      1.7      1.4
24 May       81.6      4.7      1.9      1.8      1.5
25 May       80.9      4.5        2      1.9      1.7
26 May       81.1      4.5      1.8        2      1.7
27 May       82.7      4.4      1.7      1.7      1.4
28 May       82.8      4.3      1.8      1.6      1.4
29 May         83      4.3      1.8      1.6      1.4
30 May       83.3      4.3      1.8      1.6      1.4
31 May       82.6      4.5      1.8      1.7      1.4