Date          [1]      [2]      [3]      [4]
19 Apr.        60       20       20        0
20 Apr.         0      100        0        0
21 Apr.         0       80        0       20
22 Apr.      33.3     66.7        0        0
23 Apr.      33.3     66.7        0        0
24 Apr.         0       60       20       20
25 Apr.         0       50       25       25
26 Apr.         0     33.3     66.7        0
27 Apr.      33.3     66.7        0        0
28 Apr.         0       50        0       25
29 Apr.         0     66.7     33.3        0
30 Apr.         0       50       50        0
1 May           0       50        0       50
2 May           0        0       50       50
3 May           0       75       25        0
4 May           0       40       60        0
5 May           0       50       50        0
6 May           0     33.3     33.3     33.3
7 May           0      100        0        0
8 May           0       75       25        0
9 May           0      100        0        0
10 May          0     66.7     33.3        0
11 May          0     33.3     66.7        0
12 May          0      100        0        0
13 May          0        0     66.7        0
14 May          0      100        0        0
15 May          0      100        0        0
16 May          0      100        0        0
17 May          0        0      100        0
18 May          0       50        0       50
19 May          0      100        0        0