How many Bitcoins have been lost in 5 years?

As a keen observer of the cryptocurrency landscape, I am intrigued to know just how many Bitcoins have vanished into thin air in the past five years. The volatile nature of the digital currency market and the numerous tales of lost wallets and forgotten passwords have piqued my curiosity. Given the significant value of each Bitcoin, even a small percentage lost could represent a staggering amount. So, I pose the question: How many Bitcoins have been lost in the past five years? Have these losses been due to hacking, user error, or simply forgotten passwords? And what impact have these losses had on the overall market? Answers to these questions could provide valuable insights into the security and stability of the Bitcoin ecosystem.