Date          [1]      [2]      [3]      [4]
20 Oct.       4.4     77.7     17.6     0.13
27 Oct.      13.7     56.2     20.5      5.5
3 Nov.       16.7     66.7     11.1      1.4
10 Nov.      18.5     53.7     16.7      7.4
17 Nov.      19.4     58.3     19.4      2.8
24 Nov.      20.9     53.5     20.9      2.3
1 Dec.         30     47.5       15      2.5
8 Dec.       17.1     51.4       20      5.7
15 Dec.       3.9     75.7     19.9     0.25
22 Dec.      14.3     44.9     28.6      8.2
29 Dec.      17.9     39.3     32.1      7.1
5 Jan.       37.5     31.3       25      6.2
12 Jan.      26.7     46.7     16.7      6.7
19 Jan.      17.6     41.2     29.4     11.8
26 Jan.      31.3     43.8        0       25
2 Feb.        4.7     75.5     19.8    0.076
9 Feb.        5.8     76.3     17.3        0
16 Feb.      10.7     62.7       20      2.7
23 Feb.      21.4     35.7     32.1      7.1
2 Mar.       31.6     21.1     10.5     21.1
9 Mar.         20       44        8       20
16 Mar.      43.8     31.3     12.5        0
23 Mar.      23.3     26.7     13.3     13.3
30 Mar.      17.4       13      4.3     34.8
6 Apr.       33.3     16.7      5.6     11.1
13 Apr.      39.1     21.7      4.3       13
20 Apr.      29.4      5.9        0      5.9
27 Apr.      31.8        0      4.5      9.1
4 May        29.4        0     11.8     17.6
11 May       37.5        0     18.8        0
18 May       38.5        0      7.7      7.7