Date          [1]      [2]      [3]      [4]      [5]
19 Apr.      36.2     10.2      7.6      5.6      4.4
20 Apr.      35.6     10.2      7.4      5.5      4.4
21 Apr.      35.4      9.4      7.3      5.6      4.4
22 Apr.      35.4     10.4      7.6      5.9      4.5
23 Apr.      34.4     11.1      7.8      6.2      4.5
24 Apr.      34.6     10.6      7.9      5.9      4.5
25 Apr.      34.7     10.2      8.2      5.9      4.5
26 Apr.      35.1     10.2      7.8      5.8      4.5
27 Apr.      34.9       10      7.9      5.7      4.5
28 Apr.      34.4      9.4      7.4      5.3      4.3
29 Apr.      34.3      9.3      7.3      5.4      4.4
30 Apr.      34.2      9.6      7.2      5.5      4.4
1 May        33.8      9.5      7.7      5.2      4.5
2 May        34.5      9.9      7.8      5.9      4.5
3 May          34       11      7.7      5.7      4.4
4 May        34.2      9.9        8      4.9      4.6
5 May        34.7      9.3      7.3        5      4.4
6 May          35      9.8      7.6      5.5      4.5
7 May        35.6      9.7      7.8      5.4      4.5
8 May        34.4     10.2        8      5.7      4.4
9 May        35.2      9.9      7.6      4.8      4.7
10 May       33.5     13.8      7.1      4.6      4.2
11 May       34.6     11.1      7.3      4.6      4.3
12 May       35.2     10.2      6.9      4.6      4.2
13 May       34.9     10.8      7.3      5.4      4.3
14 May       35.1     10.6      7.3      5.7      4.3
15 May       35.2     10.4      7.4      5.7      4.3
16 May       35.2     10.4      7.6      5.5      4.7
17 May       35.2     10.8      7.6      5.4      4.6
18 May       35.1     11.3      7.6      4.8      4.5
19 May       34.8      9.8      7.3      5.3      4.2