Column titles:
[1] - Google
[2] - Search.Mail.ru
[3] - Yandex
Date          [1]      [2]      [3]
6 Oct.        5.9      5.7      5.1
13 Oct.       4.6      3.6      3.9
20 Oct.       3.6      4.4      4.6
27 Oct.       3.9      4.4      5.3
3 Nov.        4.7      3.4      4.7
10 Nov.       3.9      4.9      5.1
17 Nov.       4.4      3.1        5
24 Nov.       5.7      4.9      5.3
1 Dec.        3.7      4.9      5.4
8 Dec.          5      4.1      4.9
15 Dec.       4.7      4.7      4.6
22 Dec.       4.3      4.4      4.4
29 Dec.       2.9      4.1      4.6
5 Jan.          3        4      4.3
12 Jan.       4.3        3      4.1
19 Jan.       4.3      3.4      3.6
26 Jan.       4.4      5.3        4
2 Feb.        3.1      3.6      4.4
9 Feb.        9.6      3.9     19.4
16 Feb.       3.4      4.4      4.7
23 Feb.       6.6      4.4      4.4
2 Mar.        4.4        4      3.9
9 Mar.        4.9        4      3.6
16 Mar.         4      3.1      4.9
23 Mar.         3      1.1        2
30 Mar.       3.6      3.4        3
6 Apr.        4.6      2.9        3
13 Apr.       5.7      4.9      4.4
20 Apr.       4.9        5      5.1
27 Apr.       4.7        5        5
1 May           5      4.5        5