Date          [1]      [2]      [3]      [4]
17 Apr.      70.5      6.8      6.8        0
18 Apr.      78.6      9.5        0        0
19 Apr.      88.2      5.9        0        0
20 Apr.        90      3.3        0        0
21 Apr.        86      4.7        0        0
22 Apr.        83      6.4        0        0
23 Apr.        90        6        0        0
24 Apr.      77.6     10.2        0        0
25 Apr.      81.8      9.1        0        0
26 Apr.      80.6      6.5        0        0
27 Apr.      83.3      8.3        0        0
28 Apr.      84.6     10.3        0        0
29 Apr.        81      7.1      2.4        0
30 Apr.      90.3      3.2        0        0
1 May        85.7      4.8        0      4.8
2 May        85.7      7.1        0        0
3 May        64.7     23.5        0        0
4 May          75       15        0        0
5 May        70.8     16.7        0        0
6 May        57.1     31.4        0        0
7 May          80        4        0        4
8 May        66.7     18.5        0        0
9 May          65       20        0        0
10 May       71.4        0        0        0
11 May         85       15        0        0
12 May         60       30        0        0
13 May       84.4      6.2        0        0
14 May       82.6      4.3        0      2.2
15 May       86.2      3.4        0      3.4
16 May       71.4       19        0        0
17 May         87      8.7        0        0
   total     2444      325      9.2     14.4