It's close if you count it in francs, and include all services. This article [0] says that France Telecome gave 700 M FRF to the operators, which means that 1,050 M FRF were collected in 1986 alone.

[0]

https://www.nouvelobs.com/tech/20170804.OBS3007/l-age-d-or-d...

According to https://en.wikipedia.org/wiki/Minitel :

In 1998, Minitel generated €832 million ($1,121 million) of revenue, of which €521 million was channelled by France Télécom to service providers.