500k in just over 10 years, meanwhile we're expected to see 40-50% of new cars sales be EV by 2030[0], which will be at least 8 million a year[1]. No doubt Tesla is the force that got the industry moving towards that growth.

0: https://www.reuters.com/business/autos-transportation/biden-...

1: https://www.cnbc.com/2020/01/06/us-auto-sales-down-in-2019-b...