Prague - The Bank Board of the Czech National Bank (CNB) will leave the base interest rate unchanged at 3.75 percent on Thursday. Analysts interviewed by ČTK agree on this, and CNB Vice Governor Eva Zamrazilová also indicated this this week in an interview with Reuters. The central bank last adjusted the base interest rate in June, when it increased it by a quarter of a percentage point to the current level. It was the first rate increase in fou…