Column titles:
[1] - 1 session
[2] - 2 sessions
[3] - from 3 to 5 sessions
[4] - from 6 to 10 sessions
[5] - more than 10 sessions
Date          [1]      [2]      [3]      [4]      [5]
12 Nov.   3498489   425322   129741     8194      812
19 Nov.   3066410   351278   108679     8171      845
26 Nov.   3064185   344508   104102     7665      800
3 Dec.    3154586   371077   115555     8556      867
10 Dec.   3295341   389945   120584     8796     1010
17 Dec.   3178293   364516   109392     8200      897
24 Dec.   3319350   382116   118621     8879      900
31 Dec.   3557869   414608   123651     8893      960
7 Jan.    3498179   434755   136640     9594      908
14 Jan.   3757576   536646   200958    15847     1249
21 Jan.   3705625   517270   192071    14986     1259
28 Jan.   3660626   494369   178487    14198     1255
4 Feb.    3549403   464440   160466    12057     1074
11 Feb.   3834506   522506   185887    14255     1248
18 Feb.   3608354   461544   155610    11903     1161
25 Feb.   3757137   486657   163332    12029     1102
3 Mar.    3700511   498208   177355    13019     1142
10 Mar.   3960530   530718   180374    13425     1743
17 Mar.   4099317   581594   213241    17643     1664
24 Mar.   4814428   758098   316705    30295     2471
31 Mar.   4283325   619427   232776    18171     1680
7 Apr.    3997144   525228   177456    12682     1277
14 Apr.   4141810   558682   190279    12960     1218
21 Apr.   3433650   427320   140008    10018      983
28 Apr.   3418763   407074   131553     9588      903
5 May     3302138   385905   116456     7197      696
12 May    3684999   481171   163352    11209      989
19 May    3295320   411571   142815    11002      983
26 May    3510415   449952   155749    11393      894
2 Jun.    3479454   448726   164141    13238     1066
8 Jun.    3624123   480756   170938    12549     1078