Date          [1]      [2]      [3]      [4]
28 Apr.      92.5      3.8      2.1      1.6
29 Apr.      92.7      3.8        2      1.5
30 Apr.      92.9      3.7        2      1.4
1 May        92.9      3.7        2      1.4
2 May        92.9      3.7      2.1      1.3
3 May        92.7      3.8      2.2      1.3
4 May        92.5        4      2.2      1.4
5 May        92.5      3.9      2.1      1.4
6 May        92.7      3.8      2.2      1.3
7 May        92.4        4      2.3      1.3
8 May        92.2      4.2      2.3      1.3
9 May          92      4.4      2.2      1.3
10 May       92.1      4.2      2.4      1.3
11 May       92.3      4.1      2.3      1.3
12 May       92.4        4      2.3      1.3
13 May       92.3        4      2.3      1.4
14 May       92.4      3.9      2.3      1.4
15 May       92.7      3.8      2.2      1.4
16 May       92.7      3.8      2.1      1.4
17 May       92.9      3.7        2      1.4
18 May       92.9      3.7        2      1.4
19 May         93      3.6        2      1.3
20 May       92.9      3.8        2      1.4
21 May       92.9      3.7        2      1.4
22 May         93      3.7        2      1.4
23 May         93      3.6        2      1.4
24 May       92.9      3.7        2      1.4
25 May       92.9      3.6      2.1      1.4
26 May       92.7      3.9        2      1.4
27 May       92.5      4.1        2      1.4
28 May       92.7        4      1.9      1.4