Date          [1]      [2]      [3]      [4]      [5]
28 Apr.      40.8     17.4     10.9      8.3      7.5
29 Apr.      39.6     17.5     10.4      9.5      7.6
30 Apr.      39.7     17.5     10.1     10.1      7.3
1 May        37.6     18.3     10.9      7.8      7.4
2 May        37.3     17.8     11.2      8.6      7.7
3 May        36.9     17.8       11      8.9      7.7
4 May        38.4     18.4     10.4        8      7.6
5 May        36.9     18.1     11.4      8.9      7.1
6 May        37.7     17.9     11.3      8.1      7.6
7 May        38.3     18.5       11      8.7      7.2
8 May        40.6     19.3     10.3      6.8      6.4
9 May        41.9     20.4     10.1      6.1      5.7
10 May       40.7     20.1     10.6      6.1      6.3
11 May       39.8     19.2     10.8      6.6      6.9
12 May       36.3     17.7       12      9.1      8.1
13 May       37.5     18.5     11.7      8.5      7.3
14 May       37.3     19.1     11.3      8.5      7.5
15 May       36.5     18.1     11.2      9.9      7.6
16 May         36       18     11.5     10.3      7.8
17 May       37.2     18.9     10.7      9.2      7.6
18 May       35.7     18.1     10.9     10.3      8.2
19 May       35.2     17.8     11.8     10.4      8.3
20 May       35.7     17.9     11.9      9.7      8.1
21 May       40.7       20     11.7      5.7      6.7
22 May       40.6     19.3     11.3      6.7      6.5
23 May       38.6     19.1     11.6        9      6.6
24 May       40.5     19.9     10.4      7.9      6.2
25 May       39.6     19.3     11.1      7.7      6.7
26 May       39.1     19.8     11.5        8      6.6
27 May       41.1     19.6       11      8.2      5.9
28 May       40.3     19.6     10.9      8.4        6