I downloaded charger information from the AFDC website (highly recommended !), filtered the data to Tesla and CHAdeMO and grouped by year.
This Google spreadsheet has the raw data I used
https://docs.google.com/spreadsheets/d/128cGSccFHP482wP4yl-y0FmO70v7i4kVoNeizU_nWo0/edit#gid=1648882880
Those who want to play can make a spreadsheet copy.
The total number of plugs are not too different between CHAdeMO and Tesla -- about 4000 for the former and ~ 5000 for Tesla. The Tesla trend is well depicted; the CHAdeMO is not because 3/4 of the plugs do not have the installation date. The pessimistic reading is that CHAdeMO got off to a great start early this decade and has dropped to a trickle in the last few years. I think this is about right but unfortunately the AFDC data cannot confirm the impression. The kind folks at the DOE do mention that reporting of installation data with number of plugs has been mandatory since 2014. This gives me more confidence in the data from 2014 onwards.
This Google spreadsheet has the raw data I used
https://docs.google.com/spreadsheets/d/128cGSccFHP482wP4yl-y0FmO70v7i4kVoNeizU_nWo0/edit#gid=1648882880
Those who want to play can make a spreadsheet copy.
The total number of plugs are not too different between CHAdeMO and Tesla -- about 4000 for the former and ~ 5000 for Tesla. The Tesla trend is well depicted; the CHAdeMO is not because 3/4 of the plugs do not have the installation date. The pessimistic reading is that CHAdeMO got off to a great start early this decade and has dropped to a trickle in the last few years. I think this is about right but unfortunately the AFDC data cannot confirm the impression. The kind folks at the DOE do mention that reporting of installation data with number of plugs has been mandatory since 2014. This gives me more confidence in the data from 2014 onwards.