Date          [1]      [2]      [3]      [4]
23 Apr.      91.4        5      2.2      1.4
24 Apr.      91.5      4.9      2.3      1.4
25 Apr.      91.4      4.9      2.2      1.5
26 Apr.      91.4      4.9      2.2      1.5
27 Apr.      91.3      4.9      2.2      1.5
28 Apr.      91.5      4.9      2.3      1.4
29 Apr.      91.4        5      2.2      1.4
30 Apr.      91.6      4.9      2.2      1.3
1 May        91.8      4.8      2.1      1.2
2 May          92      4.7      2.1      1.2
3 May        92.1      4.6      2.1      1.1
4 May        92.1      4.7      2.1      1.1
5 May        92.3      4.6      1.9      1.1
6 May        92.5      4.5      1.9      1.1
7 May        92.6      4.4      1.9      1.1
8 May        92.6      4.3        2      1.1
9 May        92.5      4.4        2      1.1
10 May       92.5      4.3        2      1.2
11 May       92.6      4.2        2      1.2
12 May       92.7      4.2      1.9      1.2
13 May       92.6      4.3      1.9      1.2
14 May       92.5      4.3        2      1.2
15 May       92.4      4.3      2.1      1.2
16 May       92.3      4.4      1.9      1.4
17 May       92.3      4.3      1.9      1.4
18 May       92.4      4.3      1.9      1.4
19 May       92.5      4.2        2      1.3
20 May       92.4      4.3      1.9      1.3
21 May       92.4      4.4      1.9      1.3
22 May       92.4      4.3        2      1.4
23 May       92.3      4.3        2      1.4