Date          [1]      [2]
11 Apr.      97.3      2.7
12 Apr.      95.1      4.5
13 Apr.      98.3      1.7
14 Apr.      97.2      2.8
15 Apr.      97.8      2.2
16 Apr.      97.2      2.8
17 Apr.      99.2      0.8
18 Apr.      96.1      3.5
19 Apr.        98        2
20 Apr.      96.7      3.3
21 Apr.      98.4      1.6
22 Apr.      97.4      2.6
23 Apr.        96        4
24 Apr.      98.3      1.7
25 Apr.      98.5      1.5
26 Apr.      98.8      1.2
27 Apr.      99.1     0.94
28 Apr.      98.4      1.6
29 Apr.      99.6     0.41
30 Apr.      98.3      1.7
1 May        97.7      2.3
2 May        98.8      1.2
3 May        98.4      1.6
4 May        97.8      2.2
5 May        97.2      2.8
6 May        96.7      3.3
7 May        98.3      1.7
8 May          99     0.98
9 May        95.8      4.2
10 May       97.5      2.5
11 May       98.2      1.8