Date          [1]      [2]      [3]      [4]
28 Apr.      88.3      6.3      3.4        2
29 Apr.      88.5      6.2      3.5      1.8
30 Apr.      88.4      6.5      3.5      1.6
1 May        88.6      6.2      3.8      1.4
2 May        88.5        6      4.1      1.4
3 May        88.1      6.5      3.8      1.6
4 May        88.7      6.1      3.5      1.7
5 May        89.2      5.8      3.3      1.8
6 May        89.3      5.9        3      1.9
7 May        88.2      6.6      3.4      1.8
8 May        88.1      6.6      3.4      1.9
9 May        88.1      6.6      3.5      1.7
10 May       87.9      6.8      3.6      1.7
11 May       87.9      6.6      3.7      1.9
12 May       87.8      6.5      3.7        2
13 May       88.2      6.1      3.5      2.2
14 May       88.6      5.5      3.7      2.2
15 May       88.5      5.8      3.6      2.1
16 May       87.9      6.1      3.3      2.7
17 May       87.9      6.6      2.7      2.8
18 May       87.9      6.7      2.8      2.7
19 May       88.3      6.1      3.1      2.5
20 May       87.9      6.4      3.4      2.2
21 May       88.1      6.4      3.2      2.3
22 May       88.1      6.4      2.9      2.6
23 May       87.6      6.5      3.2      2.7
24 May       87.7      6.4      3.4      2.5
25 May       87.3      6.6      3.7      2.4
26 May         87      6.6      3.8      2.5
27 May         87      6.6      3.9      2.6
28 May       86.9      6.7      3.9      2.6