Column titles:
[1] - single pageview
[2] - less than 2 minutes
[3] - from 2 to 10 minutes
[4] - from 10 to 30 minutes
[5] - from 30 minutes to 1 hour
[6] - more than an hour
Date          [1]      [2]      [3]      [4]      [5]      [6]
11 May          3        1        0        0        0        0
12 May          2        0        0        0        0        0
13 May          3        0        0        0        0        0
14 May          3        0        0        0        0        0
15 May          3        0        0        0        0        0
16 May          2        0        0        0        0        0
17 May          1        0        0        0        0        0
18 May          3        0        0        0        0        0
19 May          4        0        1        0        0        0
20 May          3        0        0        0        0        0
21 May          2        0        0        0        0        0
22 May          3        0        0        0        0        0
23 May          3        0        1        0        0        0
24 May          4        0        0        0        0        0
25 May          3        0        0        0        0        0
26 May          2        0        0        0        0        0
27 May          7        1        0        0        0        0
28 May          4        0        0        0        0        0
29 May          5        0        0        0        0        0
30 May          0        0        0        0        0        0
31 May          1        0        0        0        0        0
1 Jun.          1        0        0        0        0        0
2 Jun.          2        0        0        0        0        0
3 Jun.          3        0        0        0        0        0
4 Jun.          6        0        0        0        0        0
5 Jun.          3        0        0        0        0        0
6 Jun.          2        0        0        0        0        0
7 Jun.          1        1        0        0        0        0
8 Jun.          2        0        0        0        0        0
9 Jun.          3        0        0        0        0        0
10 Jun.         3        0        0        1        0        0