Date          [1]      [2]      [3]      [4]
21 Apr.        40       40       20        0
22 Apr.      66.7        0        0     33.3
23 Apr.      33.3        0     33.3        0
24 Apr.        20        0       80        0
25 Apr.        25        0     62.5        0
26 Apr.      33.3     33.3     33.3        0
27 Apr.      66.7        0        0     33.3
28 Apr.        25        0       50        0
29 Apr.      66.7        0     33.3        0
30 Apr.        50       50        0        0
1 May          50        0       50        0
2 May           0        0      100        0
3 May          25        0       75        0
4 May          20       40       40        0
5 May          50       50        0        0
6 May        33.3     33.3     33.3        0
7 May          50        0       50        0
8 May          75        0       25        0
9 May        33.3     33.3     33.3        0
10 May       33.3     33.3     33.3        0
11 May       33.3     33.3     33.3        0
12 May         50       50        0        0
13 May          0        0     66.7        0
14 May        100        0        0        0
15 May        100        0        0        0
16 May        100        0        0        0
17 May          0        0      100        0
18 May         50        0       50        0
19 May       66.7     33.3        0        0
20 May        100        0        0        0
21 May          0        0       50       50