这篇文章整理很多公司早期时候的数据
Amazon
Nov 1994: registered amazon.com
July 1995: launched officially
Summer 1995: raised $985k for 20%
July 1996 WSJ article boosts . Raised $8M for 13%

https://www.listennotes.com/blog/numbers-of-tech-companies-when-they-were-small-42/