Where did you get this 1500-5000 number? from fake news? Here is the list of the dead

I don't know how is your Chinese, but at least you know the number.

It's not very accurate. But from the note you know it's a result of 20+ years' investigation. The primary investigator of this investigation lost her son in Tiananmen in 1989.

Link: http://www.tiananmenmother.org/index_files/Page480.htm