Date          [1]
20 Apr.         0
21 Apr.       100
22 Apr.         0
23 Apr.         0
24 Apr.        50
25 Apr.         0
26 Apr.       100
27 Apr.         0
28 Apr.         0
29 Apr.         0
30 Apr.         0
1 May           0
2 May           0
3 May         100
4 May          50
5 May           0
6 May           0
7 May           0
8 May           0
9 May           0
10 May          0
11 May          0
12 May          0
13 May        100
14 May          0
15 May          0
16 May          0
17 May        100
18 May          0
19 May          0
20 May          0
   total      600