Date          [1]      [2]      [3]      [4]      [5]
21 Apr.      31.4     10.3     10.4      9.5      4.5
22 Apr.      29.3     11.4     12.2      9.9      4.6
23 Apr.      28.4     11.8     12.7     10.7      4.6
24 Apr.      28.4     11.5       13     10.1      4.5
25 Apr.      28.7     11.4     12.8      9.9      4.6
26 Apr.      29.1     11.4     12.5      9.8      4.6
27 Apr.      29.8     10.7     12.3      9.2      4.5
28 Apr.      30.5     10.2     10.7      8.9      4.4
29 Apr.      30.4      9.8     10.5      9.4      4.3
30 Apr.      30.3       10     10.5      9.8      4.4
1 May        29.5      9.8     11.6      9.1      4.6
2 May        28.5     10.5       13     10.4      4.5
3 May        28.2     11.6     13.1       10      4.5
4 May        29.6     10.1     13.3      8.2      4.6
5 May        30.5      9.9     11.3      8.7      4.6
6 May        28.9     10.5     12.7      9.7      4.5
7 May        30.2     10.7     12.5      8.6      4.5
8 May        29.2     10.9     12.7      9.4      4.5
9 May        31.2     10.1     11.1      7.6      4.8
10 May       28.4     17.6     10.3      7.2      4.2
11 May       30.3     13.1     10.6      7.6      4.4
12 May       30.6     11.9     10.7      7.8      4.3
13 May       28.9     12.3     12.1      9.2      4.3
14 May       29.1     11.9     12.1      9.7      4.4
15 May       29.5     11.5       12      9.6      4.3
16 May       29.1     11.6     12.2      9.6      4.6
17 May       29.2     12.1       12      9.4      4.5
18 May       30.7     12.2     11.6      8.1      4.6
19 May       30.7     10.8     10.9      8.8      4.3
20 May         29     11.4     12.3     10.1      4.4
21 May       29.1     11.5     12.5     10.2      4.5