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