Date          [1]      [2]      [3]      [4]
10 Nov.      17.3     0.57     0.86     0.14
17 Nov.      19.9     0.43        0        0
24 Nov.      21.3     0.29        0        0
1 Dec.       15.7      1.1        0        0
8 Dec.         16     0.71     0.14        0
15 Dec.      16.9      1.1     0.43        0
22 Dec.      18.3     0.43     0.29        0
29 Dec.      20.7     0.14        0        0
5 Jan.       18.3     0.43     0.86        0
12 Jan.      12.9     0.57     0.71        0
19 Jan.      19.6        1     0.86      1.3
26 Jan.      23.7        1      1.1     0.43
2 Feb.       34.1      1.7      1.3        0
9 Feb.       49.3     0.43     0.86        0
16 Feb.      26.7     0.71        0        0
23 Feb.      29.3     0.86     0.86        0
2 Mar.       19.1     0.29        0        0
9 Mar.       23.1        0        0        0
16 Mar.      32.7     0.86        0        0
23 Mar.      29.4     0.29     0.14        0
30 Mar.      29.3     0.71      1.3     0.29
6 Apr.         25     0.71     0.71     0.43
13 Apr.      22.9      1.4     0.43        0
20 Apr.        22        0        0        1
27 Apr.      28.9     0.71     0.43        1
4 May        26.7     0.71     0.57     0.43
11 May       28.3     0.14     0.71     0.43
18 May       28.3      1.6     0.29        0
25 May         28     0.29        2     0.71
1 Jun.       32.9      1.3      1.3     0.29
8 Jun.         32     0.14     0.86        0