Really nice efforts on your part to collect data about them and make two year comparison among them but out of them some has really significant growth like Number of merits on the forum,Bitcoin ATM's and most importantly LN which has grown to new heights within short span of time only.
2021 witnessed some huge demand for bitcoin and the forum also saw a little increase in the userbase with 1% rise which is not so much but still a wide majority of people remain on forum posting effectively and helping each other in knowledge enhancement and merits on the forum is respective proof for the same.
The growth of LN was significant for this year as it was unexpected and here is graphical representation for the same According to glassnode data :
Link :
Bitcoin LN rise in 2021 After looking at the data concerning
BTCitcoin ATMs, it's crazy how aggressive both the US and Canada have been in the past year alone
Most importantly US witnessed huge growth in Bitcoin ATM installation and Canada is also moving at the same pace.I heard so many instances in which you could find Bitcoin ATM on gas station as well as some stores of wallmart also though the fees is quite high.
You could find list of cities having bitcoin ATM in USA
hereIt will be far more interesting to see some other countries also competing in the list and soon we could find more companies into such services and fees would be low and more people can use them.At this time bidirectional ATM are in few percentage but soon they will also be increased in number.Here is another look at how they have increased in number for all these years.
According to Coin ATM Radar, there were more than 24,700 Bitcoin ATMs in the US as of September 2021, up from 2,342 in Jan 2018.
Bitcoin ATM history