After 10 seconds of Googling, here are the new (BEV: 11 models / PHEV: 9 models) models shipping in the US next year: https://evadoption.com/future-evs/new-electric-vehicles-in-2...
I will leave as an exercise for the two of you to Google:
1. How many new EVs arrived in 2019, in the US and worldwide? 2. How many are committed for 2021, in the US and worldwide?
You might start with VW committing to 27 models in 2022: https://www.greencarreports.com/news/1118857_vw-plans-27-ele...