So far, how many exoplanets have been discovered?

Question: So far, how many exoplanets have been discovered?
- Keywords:
  discovery,
  exoplanets
Asked by Sheldon Cooper to Anne, Beth, COLFlight, Jon, Tom on 13 Oct 2015.
- Beth Healey answered on 13 Oct 2015:
  
  Lots! At the moment 1,892 but check out the NASA Exoplanet Archive for regular updates: http://exoplanetarchive.ipac.caltech.edu/

Question: So far, how many exoplanets have been discovered?