The station is now only used for specific studies during the summer months.
The station was used by an average of 3.64 million people per day in 2007.
In 2003, the station is used on average days by around 4,050 people.
But for years, only about 4,000 people have used the station daily.
The record was reached in 1919 when 63,859 used the station.
About 11,000 people each day use the station, which is served by the No. 1 and 9 lines.
By this time, students were no longer heard on the air; for many years the station had been used as a training ground.
The station was used in the making of several films.
The station is no longer used for its original purpose.
Only on the first day, more than 8.000 passengers used the new station.