Hello all,
Today, I would like to show you the time series plots of several basic statistics of the bitcointalk forum.
These observed variables are:
1) New members;
2) New topics;
3) New posts.

Data
Original data
All of them have been tracked on monthly basis, since November of 2009 to December of 2017. Note that the data on months in December of 2017 is incomple, with only the first two months given by forum's stats [Stopped since 14th December of 2017].
Since that point, the forum has stopped giving away these statisitics, so I have not get later months for now.
I will try searching to find available data of those months, and update the OP later.

There is one similar topic (100 Days of Merit), published by zentdex, but it has been abandoned for months.

Converted dataset is there

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Plots
1) New members and new topics
A quick overview. It seems that monthly statistics on new members and new topics tend to hit peaks each two-year period.
2) New posts

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Further analysis
Will be released soon.

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Notes:
The topic has still been under construction.