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