What are the 5 important statistics?

Could you please elaborate on the five crucial statistics that are essential to understand in the realm of cryptocurrency and finance? These statistics might encompass market capitalization, trading volume, hash rate, network difficulty, and perhaps even adoption rates. Understanding these metrics could provide valuable insights into the health, growth potential, and overall trends within the industry. Could you further discuss why each of these statistics is significant and how they impact investors' decision-making processes?