Date          [1]      [2]      [3]      [4]
11 Apr.      81.4      8.5        0      6.8
12 Apr.        86      9.3        0        0
13 Apr.        80       10      2.5        0
14 Apr.      95.8      2.8        0        0
15 Apr.      93.9      6.1        0        0
16 Apr.      92.2      7.8        0        0
17 Apr.      97.8      2.2        0        0
18 Apr.      93.9      6.1        0        0
19 Apr.      85.2     14.8        0        0
20 Apr.      89.5      7.9        0        0
21 Apr.      98.3      1.7        0        0
22 Apr.      91.9      6.5        0      1.6
23 Apr.      87.3      9.1        0      3.6
24 Apr.      91.5      5.1      1.7      1.7
25 Apr.      97.8        0        0      2.2
26 Apr.      92.6      3.7        0        0
27 Apr.      94.1      5.9        0        0
28 Apr.        96        4        0        0
29 Apr.      92.3      5.1        0      2.6
30 Apr.      89.4     10.6        0        0
1 May         100        0        0        0
2 May         100        0        0        0
3 May        95.7        0        0      4.3
4 May        84.2      7.9        0      2.6
5 May        94.6      5.4        0        0
6 May        93.3      6.7        0        0
7 May         100        0        0        0
8 May        89.7     10.3        0        0
9 May          81     14.3        0      4.8
10 May       86.2      6.9        0      3.4
11 May       95.5        0      4.5        0