[OC] The cost of launching things into space (per kilogram) to lower earth orbit (altitude < 1200 miles) was almost stagnant for 40 years before SpaceX entered the space (pun intended) and disrupted it. Source in comments.
from /r/dataisbeautiful
[OC]在SpaceX进入太空（双关语）并扰乱它之前，将东西发射到太空（每公斤）到低地球轨道（高度<1200英里）的成本几乎停滞了40年。评论中的来源。